During a college fraternity party, Neil mixes Xanax, a central nervous system depressant, with alcohol and loses consciousness. this effect is known as a synergistic effect
When two or more processes work together, a synergistic effect is created that is greater than the sum of the effects that each process would have on its own. Skin damage brought on by both tobacco smoke and UV rays is more severe than skin damage brought on by either one on its own. Another illustration is the science class project "baking soda volcano."
When two or more drugs interact synergistically, the combined effect of the drugs is greater than the sum of the individual effects of each drug. Synergistic effects can be advantageous or detrimental.
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Epinephrine activates the cyclic amp pathway. in this example, epinephrine is a(n) __________ and camp is a(n) __________
Epinephrine activates the cyclic amp pathway. in this example, epinephrine is a(n) first messenger and camp is a(n) second messenger
Epinephrine belongs to a class of drugs known as alpha- and beta-adrenergic agonists (sympathomimetic agents). It acts by relaxing the airway muscles and constricting the blood vessels. Epinephrine injection is used to treat severe allergic responses (including anaphylaxis) to insect bites or stings, drugs, foods, or other substances in an emergency.
It is also used to treat anaphylaxis caused by unknown chemicals or exercise-induced anaphylaxis. Epinephrine acts swiftly to enhance breathing, accelerate the heart, boost blood pressure, reverse hives, and reduce swelling of the face, lips, and throat.
Increased vascular smooth muscle contraction, pupillary dilator muscle contraction, and intestinal sphincter muscle contraction are all caused by epinephrine. Other noteworthy effects include increased heart rate, myocardial contractility, and beta-1 receptor-mediated renin release.
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Drag each tile to the correct box. lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the events chronologically. interneurons relay the impulse to motor neurons in the spinal cord. she immediately moves her foot. the sensory neuron generates an impulse. receptors in her toe receive stimuli.
The sequence of events that will occur are as follows:
Receptors in her toe receive stimuli.The sensory neuron generates an impulse. Interneurons relay the impulse to motor neurons in the spinal cord.She immediately moves her footWhat is Nervous System?The brain, spinal cord, and nerves make up the nervous system. It greatly affects how you feel and think, as well as how your body behaves. You can walk, speak, swallow, breathe, and learn thanks to it. It also regulates the body's emergency response.
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In mri, structural information about the brain can be collected by using strong magnetic fields together with radio waves to manipulate the nuclear _______________ of protons.
none of the answers in this list of options fills the blank. Strong magnetic fields created by the powerful magnets used in MRIs compel the body's protons to align with the field.
The protons are activated and spin out of equilibrium when a radiofrequency current is then pulsed through the patient, struggling against the magnetic field's pull.Because protons can spin either left or right, which corresponds to a distinct energy state, they have multiple spin configurations. Higher energy states are experienced by protons that align against the external magnetic field as opposed to lower energy states experienced by protons that do so.The hydrogen protons will align themselves once more with the static magnetic field once the energy from the RF pulse is lost. Hydrogen protons serve as the source of the MRI signal since they move back into alignment with the magnetic field, and fall out of "phase" with each other.DISCLAIMER
In MRI, structural information about the brain can be collected by using strong magnetic fields together with radio waves to manipulate the nuclear _______________ of protons.
electron
mass
none of the answers in this list of options
charge
number
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During gastrulation, the blastomeres fuse. three germ layers are formed. the placenta penetrates the endometrium. the neural tube closes. cells from the hypoblast move to the epiblast
During gastrulation, three germ layers are formed.
Gastrulation:The process of gastrulation, during which the hollow ball of cells known as the blastula starts to differentiate into more specialized cells that get stratified over the growing embryo, is when the germ layers are formed.
One of the most important stages of development, gastrulation produces the three basic germ layers (ectoderm, endoderm, and mesoderm) and primes the system for organogenesis.
Each germ layer's cells undergo differentiation to become tissues and embryonic organs. The nervous system and the epidermis are two examples of tissues that develop from the ectoderm. The body's connective tissue and muscle cells are derived from the mesoderm.
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PLS HELPPPPPP
The image below shows how wolves and dogs compare to some other animals in the levels of classification.
An image of classification levels of dog is shown. There are 8 columns and 7 rows. The top row says Animalia and then lists the following organisms from left to right, Insect, Fish, Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The second row says Chordata and lists the following organisms from left to right, Fish, Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The third row says Mammalia and lists the following organisms from left to right, Rabbit, Cat, Fox, Jackal, Wolf, and Dog. The fourth row says Carnivora and lists the following organisms from left to right, Cat, Fox, Jackal, Wolf, and Dog. The fifth row says Canidae and lists the following organisms from left to right, Fox, Jackal, Wolf, and Dog. The sixth row says Canis and lists the following organisms from left to right, Jackal, Wolf and Dog. The seventh row says Canis lupus and lists the following organisms from left to right, Wolf and Dog.
Based on the chart, how are insects and dogs related?
They belong to the same kingdom, but different phyla.
They belong to the same domain, but different kingdoms.
They belong to the same kingdom and phylum.
They belong to the same domain and phylum.
Answer:
it's answer D let me know if it's wrong
Dogs and insects belong to the same kingdom, but insects belong to phylum Arthropoda. Thus, the answer is option A.
An insect is a six legged Arthropoda.
Phylum : Arthropoda (with several classes)
Class: Insecta (Hexapoda)
A dog is a mammal of family Canidae.
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Like wolves and other canids, dogs are bred exclusively to hunt and consume other animals for their food. They can run quickly and for long periods of time when pursuing prey thanks to their compact, muscular bodies and long legs.
Thus, the insects and dogs are related by being in the same kingdom, but they belong to different phyla. The answer is A.
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Meiosis is the process by which cells are produced from a cell that was originally diploid. True or false?.
The statement "Meiosis is the process by which cells are produced from a cell that was originally diploid" is false.
This is because meiosis is the process by which cells are produced from a cell that was originally haploid.
What is meant by meiosis?Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell.To develop egg and sperm cells for sexual reproduction, this process is necessary.We observe the following stages in meiosis:Meiosis Iinterphase ITwo identical complete sets of chromosomes are produced as a result of the cell's DNA being duplicated.Two centrosomes, each comprising a pair of centrioles, are located outside the nucleus and are essential for the process of cell division.These centrosomes produce microtubules during interphase.prophase IUnder a microscope, the copied chromosomes condense into distinct X-shaped structures.Two sister chromatids with identical genetic material make up each chromosome.So that both copies of chromosome 1 are together, both copies of chromosome 2 are together, and so on, the chromosomes couple up.The chromosomal pairs may then exchange DNA strands through a process known as recombination or crossing over.The membrane around the cell's nucleus melts at the conclusion of Prophase I, freeing the chromosomes.Microtubules and other proteins make up the meiotic spindle, which spans the cell between the centrioles.metaphase IAlong the cell's center (equator), the chromosomal pairs are positioned adjacent to one another.The meiotic spindles are now extending from the centrioles, which are now located at the cell's opposite poles.One chromosome from each pair is attached by the meiotic spindle fibers.anaphase IThe meiotic spindle then separates the pair of chromosomes by pulling one chromosome to one pole and the other chromosome to the opposite pole of the cell.The sister chromatids remain together throughout meiosis I. In contrast to mitosis and meiosis II, this occurs.telophase I and cytokinesisThe chromosomes reach the opposite poles of the cell in whole.A complete pair of chromosomes congregates at each pole of the cell.Each set of chromosomes is surrounded by a membrane that divides into two new nuclei.The single cell then divides into two independent daughter cells, each of which has a nucleus and a complete complement of chromosomes. Cytokinesis is the name for this process.Meiosis IIprophase IITwo daughter cells with 23 chromosomes each are present at this time (23 pairs of chromatids).The chromosomes once more condense into clear, X-shaped structures that are simple to observe under a microscope in each of the two daughter cells.Each daughter cell's nucleus membrane disintegrates, releasing the chromosomes.Centrioles are duplicative.Once more, the meiotic spindle forms.metaphase IIChromosomes (a pair of sister chromatids) are arranged end to end along the cell's equator in each of the two daughter cells.In each of the daughter cells, the centrioles are now located at opposing poles.The sister chromatids are connected by meiotic spindle fibers that are attached to each pole of the cell.anaphase IIChromosomes (a pair of sister chromatids) are arranged end to end along the cell's equator in each of the two daughter cells.In each of the daughter cells, the centrioles are now located at opposing poles.The sister chromatids are connected by meiotic spindle fibers that are attached to each pole of the cell.telophase II and cytokinesisThe chromosomes reach the opposite poles of the cell in whole.A complete pair of chromosomes congregates at each pole of the cell.Each set of chromosomes is surrounded by a membrane to produce two new cell nuclei.Even though this is the final stage of meiosis, cell division is not finished without one more cycle of cytokinesis.Four granddaughter cells, each with half a set of chromosomes (haploid), are produced once cytokinesis is finished.In men, these four cells are all sperm cells, whereas in females, one of the cells is an egg cell and the other three are polar bodies (small cells that do not develop into eggs).To learn more about meiosis visit:
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In aerobic respiration, nadh is oxidized at _____, while fadh2 is oxidized at _____.
Complex 1
Complex 2
In aerobic respiration, NADH is oxidized at Complex 1, while FADH2 is oxidized at Complex 2.
What is aerobic respiration?In the presence of oxygen gas, cells undergo cellular respiration, which is how energy from food is produced. The majority of plants, animals, birds, humans, and other mammals all engage in this sort of respiration regularly. As byproducts of this process, water and carbon dioxide are created.Which five steps make up aerobic respiration?Glycolysis, pyruvate oxidation, Krebs's cycle, the electron transport chain, and chemiosmosis are the five steps that must occur for aerobic respiration to take place.What is glycolysis?A cytoplasmic mechanism called glycolysis converts glucose into two molecules with three carbons each and releases energy. Hexokinase, a phosphorylating enzyme, assists in the phosphorylation process that traps glucose. This reaction uses adenosine triphosphate (ATP), and the end result, glucose-6-P, inhibits hexokinase.What is pyruvate oxidation?It takes place in the cytoplasm of prokaryotes. Overall, pyruvate oxidation transforms the three-carbon molecule into the two-carbon molecule acetyl CoA , C, o, A, which is attached to Coenzyme A. This results in a NADH , N, A, D, H, and the release of one carbon dioxide molecule.What is Krebs cycle?The primary source of energy for cells and an essential component of aerobic respiration is the tricarboxylic acid (TCA) cycle, sometimes referred to as the Krebs or citric acid cycle. The cycle converts the acetyl coenzyme A (acetyl CoA) chemical energy into the reducing force of nicotinamide adenine dinucleotide (NADH).What is Electron transport chain?The oxidative phosphorylation process, also known as the electron transport chain, is a collection of four protein complexes that combine redox events to produce an electrochemical gradient that results in the production of ATP. Both photosynthesis and cellular respiration take place in mitochondria.What is chemiosmosis?The process of ions (often H+ ions, commonly referred to as protons) diffusing across a membrane that is selectively permeable is known as chemiosmosis. Chemiosmosis produces a concentration gradient of the diffusing ion across the membrane, similar to osmosis. Potential energy that can perform work is present in concentration gradients.To learn more about aerobic respiration visit:
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What is the difference between nutation and barycenter?
(I at least need 3 sentences minimum. thank u!)
Generally speaking, precession is believed to occur as a result of the gravitational forces exerted by the sun and moon as they revolve around the earth. When an object revolves, its axis of rotation exhibits a nodding or swish motion. There is a wobble in the movement of precession. This phenomenon is caused by the gravitational pull exerted by one body upon another, resulting in nutation.
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Which enzyme listed would you expect to have increased activity in response to a higher than normal concentratio of epinephrine?
Adenyl cyclase is the enzyme would you expect to have increased activity in response to a higher than normal concentration of epinephrine. As epinephrine levels rise, adenylyl cyclase is activated in muscle cells, increasing glycogenolysis.
The glucose-6-phosphate produced by glycogenolysis is utilised directly in glycolysis since it cannot be converted into free glucose and expelled from the muscle cell. Adenylyl cyclase is activated once epinephrine attaches to its receptor on the target cell and after the energy-rich molecule adenosine triphosphate, or ATP, is hydrolyzed to produce cAMP.
The phosphate creates two bonds to the adenine base in cAMP, a new form of adenosine monophosphate (AMP).
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What body systems are primarily affected and what physiological changes would you expect joe and frank to experience during such vigorous exercise?
Cardiovascular system, respiratory system, circulatory system and muscular systems are the body systems which are primarily affected during vigorous exercise.
During rigorous exercises, a number of body systems get affected. The cardiovascular system is affected as the heart starts working at its maximum level and the blood is pumped faster using circulatory system.
This in turn affects the muscular system and the muscles of the body would work hard and eventually become fatigued. The respiratory system gets affected as we also get out of breath. This overwork by our body systems can leave us feeling dizzy as well as fatigued.
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A carbohydrate sample weighing 0. 235 g was found to have a fuel value of 3. 84 kj. What is the fuel value of one gram of this carbohydrate, in nutritional calories?
The fuel value of one gram of this carbohydrate, in nutritional calories is 3910 cal.
A vast variety of both good and bad foods, including bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie, include carbohydrates. Because they work quickly and provide energy as soon as they are taken, carbohydrates—which have 4 kcal per gram—are the foods that are used as an energy source the most frequently.From the given data,
0.235 g carbohydrate = 3.84 kj = 3840 joule
1g carbohydrate = 3840/0.235 = 16340.43 joule
(1 Cal = 4.1841)
1 g carbohydrate = 16340.43/ 4.184 = 3905.5 Cal
fuel value of 1 g carbohydrate = 3905.5 Cal
answer: 3910 Cal
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A carbohydrate sample weighing 0. 235 g was found to have a fuel value of 3. 84 Kilojoule. The fuel value of one gram of this carbohydrate, in nutritional calories is 3910 Cal.
What is Carbohydrates ?In our daily life we usually uptake Carbohydrates as the primary source of energy. It contains 4 KCal/gm.Examples of Carbohydrates are ; Starch, Bread, Rice, Milk, Soft drinks, Corn etc.Carbohydrates are fast acting fuel because it breaks down into Sugar and Sugar is the main energy source of our brain and cells.
Now,
0.235 g Carbohydrate = 3.84 kilojoule
= 3840 joule
1g Carbohydrate = 3840/0.235
= 16340.43 joule [1 Cal = 4.1841]
1g carbohydrate = 16340.43/ 4.184 = 3905.5 Cal
Fuel value of 1 g Carbohydrate = 3905.5 Cal
= 3910 Cal
Thus from the above conclusion we can say that The fuel value of one gram of this carbohydrate, in nutritional calories is 3910 Cal.
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For a gene with two alleles, s and s, if the frequency of the one allele (s) is 0.25, then the frequency of the other allele(s) is?
For a gene with two alleles S and s, the frequency of the other allele can be found out by using Hardy Weinberg Equilibrium.
According to the Hardy Weinberg Equilibrium, the sum total of all allelic frequency is equal to one for a random mating population.
As per the the given question, the frequency of one allele i.e. s is 0.25 that means the frequency of the other allele i.e. S can be found out using the given relation:
∴ s + S = 1 (Hardy Weinberg Equilibrium)
⇒ 0.25 + S = 1
⇒ S = 1 - 0.25
⇒ S = 0.75
So, the Frequency of the other Allele (S) is 0.75
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A percutaneous ____________________ is a minimally invasive procedure that is performed to treat osteoporosis-related compression fractures of the spine.
A percutaneous vertebroplasty is a procedure which is minimally invasive that is performed in order to treat osteoporosis related compression fractures of the spine.
Vertebroplasty is a procedure which helps stabilizing the spine by treating the compression fractures in it. This is done by injecting the bone cement into the vertebrae on the back bones which has been broken or cracked due to osteoporosis.
The added cement hardens up and helps in the stabilizing the fractures present in the spine and supporting it. This procedure in minimally invasive as it is done through just through a small puncture in the skin instead of open incision.
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A fungi-plant mutualism is discussed in the reading. How does this fungi-plant mutualism work?
Mycorrhiza, or the association of a fungus with plant roots, and lichen (fungi with blue-green algae combination)are two typical mutualistic connections involving fungi.
Discussion about mutualism-
Many fungi cause plant harm or death. Although there are fungi that are advantageous to plants:
The majority of terrestrial plants are closely allied with arbuscular mycorrhiza fungus (AM fungi), which promote their expansion. A gene that is especially triggered by arbuscular mycorrhiza (AM) fungus and affects the growth of the plant root has been discovered by scientists who have examined the evolution of this symbiosis: MIG1, a GRAS transcription factor, promotes the growth of bigger and more numerous root cortical units.Both parties are benefitted: The arbuscular mycorrhiza (AM) fungus defends the plants against pests, aids in the extraction of minerals from the soil, including urea, phosphorus, and groundwater, and encourages plant development by affecting root formation.Learn more about mycorrhiza here:
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What is the most common presenting objective symptom of a urinary tract infection in older adults, especially in those with dementia?
Lake jackson has disappeared and reappeared about four times since 1907. which of these most likely caused lake jackson to disappear and reappear? weight of water collapses limestone below it; water drains into the sinkhole pollution due to factories; water evaporates quickly high atmospheric temperature; water evaporates quickly natural absorption of water by the land; water drains into the aquifer
Water drains into the sinkhole pollution due to factories
The lake was created as limestone gradually dissolved, causing the sediment layer above it to collapse and creating the lake basin. Low lake levels and slow draining can be caused by bottom leaks, sinkholes, and swallets, long-term dryness, and a lack of recent, strong rainfall events.
What causes lake Jackson to disappear ?Before the lake dried up, those walking along the shore of the sinkhole at Lake Jackson on Thursday would have been in three to four feet of water.
Environmentalists refer to the process as a "dry down," and it occurs every ten or twenty years. The likelihood of causes includes dry weather, a lack of rain, and a decreased water table.The lake will typically begin to fill again after the sinkhole plugs itself, sometimes taking years to do so pre sinkhole levelLearn more about Lake Jackson here:
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Answer:
Sinkhole
Explanation:
You could probably look it up to, but they say that lake Jackson the Lake disappear cause of a sinkhole.
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Translation begins at a ______ codon which is _____ and ecodes for the amino acid ________
Translation begins at an AUG codon and encodes for the amino acid
The translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum make proteins after the process of converting DNA to RNA in the cell's nucleus, as defined by molecular biology and genetics.
A messenger RNA (mRNA) molecule's genetic code is deciphered during translation, which results in a precise order of amino acids in a polypeptide chain. Similar to transcription, it takes place in the cytoplasm after DNA transcription and has three stages: initiation, elongation, and termination.
The process by which information contained in messenger RNA (mRNA) guides the addition of amino acids during protein synthesis is known as translation in the context of genomics.
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Groups of nerves that accumulate over a region and intercommunicate are called a:_________
Plexus
In a plexus, nerve fibres from many spinal nerves are sorted and recombined to form a single nerve that contains all of the fibres that travel to a particular body area. There are four nerve plexuses in the body's trunk: The head, neck, and shoulder are all connected to the spinal cord by the cervical plexus.
What are Nerve cells ?A particular kind of cell that relays information from the body to the brain and back to the body. A modest electrical current is used to transmit the messages. also known as a neuron.
The cells that take in sensory information from the outside world, provide motor commands to our muscles, and transform and relay electrical signals at each stage along the way.Learn more about Nerve cells here:
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A geologist’s compass differs from the more widely known orienteering compass in that the geologist’s compass ________.
A geologist's compass differs from the more widely known orienteering compass in that the geologist's compass can measure dip and plunge angles.
What is a compass?A compass is an instrument used to examine one’s position on the map area and to determine the relative position of various objects.It gives an idea of where you are heading to and where you need to be going.The geologist’s use a special type of compass which can not only determine the position but also make structural measurements of geological structures like dip of areas like sedimentary beds and plunge of fold axis.A clinometer is necessary in a compass to measure all the structural data. It measures features from the horizontal like dip and plunge, and gradient.Learn about magnetic compass here:
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The interior of a neuron is more negative than the outside due to the presence in the interior of?
The interior of the neuron is negative than the outside due to the presence of protein and chloride ions.
In contrast to the positive charge in an extracellular matrix, neurons actually have a strong negative charge inside them. This is due to the abundant accumulation of anions (negatively charged ions).
These anions are large molecules which cannot leave through any channel. So, they simply stay put and give the cell a negative charge inside.
The commonly present anion is chloride ion which keeps the neuron resting membrane potential in -70mV. If the neuron needs to conduct electrical impulse, neuron will then reach +40mV action potential by opening many cation channels (for example, Na/k channel).
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The interior of the neuron is negative than the outside due to the presence of protein and chloride ions.
Why is a neuron charged even at resting state?At rest, a neuron is negatively charged. A typical neuron has -70 mV charge on it, i.e., it is 70 mV more negative on inside than outside.In a resting neuron, there is more K+ on the inside the cell than outside and more Na+ on the outside than inside.For each potassium ion present, there is an organic anion to balance it.Therefore organic anions like those of amino acids and proteins are in higher concentrations on the inside of cell than outside.Also the membranes are leaky for K+ as it can pass with the help of K+ channels causing positive charge to move outside the cell. However, the organic anions cannot move out resulting in more negative charge inside the cell.Learn more about neurons here:
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Identify whether or not the different agents of evolutionary change could affect allele frequencies in a population?
Yes, the different frequencies of evolutionary change could affect allele frequency in a population.
What are the agents of evolutionary change?All populations are usual in a constant state of evolution. This means that all the species are continuously changing their genetic makeup over different generations. These changes can be subtle or they can be spontaneous.
If a population is not evolving, it is said to be in Hardy - Weinberg state. In this state, the allele frequency and the genetic makeup of the population will remain the same across generations.
The agents of evolutionary change defy the Hardy - Weinberg state. These are mutation, gene flow, non-random mating, natural selection and genetic drift.
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The _ states that the forces that are changing Earth's surface today are the same forces that changed Earth's surface in the past
The uniformitarianism states that the forces that are changing Earth's surface today are the same forces that changed Earth's surface in the past which is because of the presence of the same types of agents being present.
What is Uniformitarianism?This type of doctrine which was founded by James Hutton and made popular by Charles Lyell in the 19th century talks about how the earth's geologic processes are the same as a result of the agents of weathering being the same in this type of scenario.
Weathering on the other hand can be defined as the process in which rocks are broken down into smaller particles to form different types of soil. The agents of weathering has been the same today and in the past which makes it constant.
Hence, the reason why Uniformitarianism was chosen as the most appropriate choice.
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Human impacts on biomes are best characterized by _______. a. increased fossil fuel usage b. industrial pollution of landfills c. interruption of natural biome processes d. sewage contamination of groundwater please select the best answer from the choices provided a b c d
Human impacts on biomes are best characterized by interruption of natural biome process.
What is a Biome?An area of the globe that may be categorized based on the kind of plants and animals that inhabit there is known as a biome. What life there is in a biome depends on factors like temperature, soil, light, and water availability.
An ecosystem is distinct from a biome. An ecosystem is a habitat where living and nonliving things coexist. A biome is a particular geographical region distinguished by the organisms that call it home. Many different ecosystems can make up a biome. For instance, habitats like coral reefs and kelp forests can be found in aquatic biomes.
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All the wavelengths of light are collectively called the ___________________________ spectrum
The "electromagnetic spectrum" is a term used to describe all light wavelengths.
What is the electromagnetic spectrum?
Scientists refer to the complete range of visible light as the "electromagnetic spectrum". In reality, the majority of the lights in the cosmos are hidden from our view, ranging from radio frequencies to gamma radiation. An alternating magnetic and electric field forms the wave of light.The whole "electromagnetic spectrum" is used by NASA's scientific equipment to examine Planet, the entire universe, and the cosmos beyond. Electromagnetic energy is used when you tune the transmitter, watch Television, and transmit a message.What are the "electromagnetic spectrum's" wavelengths?
The term "electromagnetic spectrum" (EMS) refers to the whole spectrum of radiation that is now understood. Wavelengths rise from around 10⁻¹⁸ meters to 100 km, while frequencies fall from 3 x 10²⁶Hz to 3 x 10³ Hz in this range.
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A species of bird on the mainland can have yellow (bb), blue (bb), or green (bb) plumage. a few yellow birds land on a ship and are carried past an island, which they land on and settle. the resulting population of birds would have an allele frequency of: a. b: 1 b: 0 b. b: 0.3 b: 0.7 c. b: 0 b: 1 d. b: 0.5 b: 0.5
Birds living in this population would have an allele frequency of "b."
If the blue species of birds have homozygous dominant alleles of BB, the green species of birds have heterozygous alleles of Bb, and the yellow species of birds have homozygous recessive alleles of bb, then b is the "recessive allele" and b is the dominant allele for blue.
NOTE:The term "recessive allele" refers to the character/allele that is eclipsed by the dominant character, whereas a "dominant allele" is a character/allele whose phenotype is displayed to the complete exclusion of the other character/allele.
When a pair of alleles in a gene are homozygous, they are the same; when they are heterozygous, they are different.
Given that the yellow birds are homozygous for "b," the population of birds that results when they (only) arrive and settle on the Island will also be homozygous for "b." As a result, every bird on the island will have the gene "bb".
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what does the model represent?
Answer:
D) a molecule of oxygen
Answer:
An oxygen atom
Explanation:
its not a neutron, nor the oxygen's atomic mass (I hope you'll know what that is), and a molecule of oxygen is two oxygens atoms together, 02. Hope this helps.
The portions of the mature mrna where rna-binding proteins can attach in order to change rna stability are known as?
Polysaccharide digestion and glycogen breakdown involve sequential cleavage from ________ ends of glucose polymers.
Sequential cleavage from the non-reducing terminals of glucose molecules is required for both glycogen degradation and polysaccharides hydrolysis.
Why non-reducing end is selected for digestion?
A polysaccharide's non-reducing end is the one where an anomeric carbon participates in the glycosidic connection. The elimination of carbohydrate remnants one at a time out from the non-reducing terminal occurs during glycogenolysis and polysaccharides hydrolysis.
For example, several enzymes are involved in glycogenolysis in the liver and muscle. An example of such an enzyme is glycogen phosphorylase, which catalyzes the successive dissociation of the alpha 1->4 glycosidic bond that connects two glucose molecules at a non-reducing terminal of glycogen. The last glucose residue is eliminated as alpha-D-glucose 1-phosphate.That is why non-reducing end of glucose is chosen for digestion or breakdown of the carbohydrate polymer.
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Name the gland cells of the epithelium in the small intestine.
Goblet cells, unicellular gland cells, enteroendocrine cells of the epithelium in the small intestine.
What is epithelium?Layers of cells known as "epithelium" line hollow organs and glands. These cells are also responsible for the body's exterior.The epithelium is a type of body tissue that covers all of the internal and exterior body surfaces, lines hollow organs and body cavities, and makes up the majority of glandular tissue.They make up the majority of the tissue in glands, line body cavities and hollow organs, and cover all of the body's surfaces. They conduct a multitude of activities that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.Because word was first used to describe the translucent layer of tiny tissue "nipples" on the lip, epithelium got its name. The plural version of the term is epithelia, and it has both mass and count connotations.A form of animal tissue known as an epithelium is composed of tightly packed cells, or epithelial cells, that lie atop a basement membrane. Its purpose is to cover or line different bodily surfaces and cavities.
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The flexor muscles in the anterior arm (biceps brachii and brachialis) are innervated by what nerve?
Musculocutaneous nerve is responsible for innervating the flexors of the arm.
The axillary nerve innervates the deltoid and teres minor. The musculocutaneous nerve is responsible for innervating the flexors of the arm, including the biceps brachii, coracobrachialis, and the medial aspect of the brachialis. The Musculocutaneous nerve is a large branch of the Brachial Plexus. It is called musculocutaneous nerve as it supplies the muscles of the front of the arm and skin of lateral side of forearm. The Musculocutaneous nerve is a terminal branch of the lateral cord of the Brachial Plexus.
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