When sympathetic activation occurs, there is increased activity in the cardiovascular and respiratory centers of the
Pons and medulla oblongata
What is sympathetic activation?
One of the three divisions of the autonomic nervous system, along with the parasympathetic and enteric nervous systems, is the sympathetic nervous system (SANS or SYNS). The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity.
The autonomic nerve system controls the body's automatic movements. The major function of the sympathetic nervous system is to activate the body's fight-or-flight response. However, in order to maintain homeostasis, it is continually active. The parasympathetic neural system, which drives the body to "eat and breed" before (then) "rest-and-digest," is said to be antagonistic to the sympathetic nervous system.
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Streptomycin is an antibiotic that interferes with the function of the 30s subunit of the prokaryotic ribosome. what is the consequence of treating a bacteria with streptomyci?
Streptomycin is an antibiotic that interferes with the function of the 30s subunit of the prokaryotic ribosome. when it's treated on bacteria it reacts by binding to the site where tRNA typically binds, an anticodon.
Streptomycin, interferes with ribosomal activities and inhibits bacterial protein synthesis in vitro. Streptomycin can fit into the binding site for anticodons and interfere with the binding site for tRNA derivatives due to the structural similarities between it and the anticodon.
For instance, it prevents polypeptide synthesis triggered by either synthesised polynucleotides or natural mRNA3-5, leading to significant genetic code misinterpretation in the latter scenario. The medication also causes polysomes to break down and releases fMet-tRNA from interacting with the 70S ribosome.
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Good Morning. . . Ohayo. . .Please Answer this Question. . .
Which Part of Brain is Responsible for Dreams?
Answer: The hippocampus
Explanation:
In the brain's temporal lobe, the hippocampus has the ability to imagine, remember, and dream. In other words, the hippocampus is responsible for dreams.
Abrupt genetic changes that quickly lead to the reproductive isolation of a group of individuals will likely lead to ______________.
Abrupt genetic changes that quickly lead to the reproduction isolation of a group of individual will likely lead to allopatric speciation.
Speciation which involves reproductive isolation of groups within the original population and accumulation of genetic difference for two groups. The sudden change in the genetics which breeds true in a species is represented as mutation.
Mutation is sudden or discountinous changes in genotypes and phenotype of an organism due to change in chromosomes and genes.The sudden change became heritable which means transmitted to the offspring. Mutation can change by environmental factors known as mutagens. Change in one or more nucleotide of DNA.
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Organisms become _______ in their responding as reinforcement becomes less frequent or predictable
Organisms become more variable in their responding as reinforcement becomes less frequent or predictable.
What are the factor influence the animal behavior ?Behavior is an output of the action of an organism towards its changing external environment.
The major environmental factors affect animal behavior are behaviors are Territory Size, Diet, Family & Herd Size.
Beside this, Reinforcement and punishment can also affect the animal behavior.
Reinforcement is the event which strengthens the likelihood of a behavior where as punishment is the event that weakens the likelihood of a behavior.
Hence, organism are more variable response to reinforcement.
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Why do you think people do religious custom
Answer: Because thats how they act they dont even have to say anything its just have they act or behave when not serving a god like for muslims you can't date anyone unless its like your married.
Explanation:
The __________ is the deepest sublayer of the epidermis that produces new epidermal cells.
The stratum basale is the deepest sublayer of the epidermis that produces new epidermal cells , attached the epidermis to the basal lamina below which lie the layers of the dermis.
Stratum basale also called basal cell layer which is innermost layer of epidermal cells. This layer is contains column shaped basal cells which is constantly pushed the surface. Stratum basale is a home for melanocytes that produce melanin which is the pigment responsible for skin color.
Its a very sensitive parts of the body such as eyelids ,its only 0.05 mm thick or thin the epidermis has five distinct layers or regions.
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As the tide rises and the water flows towards the sea shore, the plants growing at the sea shores wilt. What process is responsible for such effect? A osmosis B diffusion C transpiration D active transport
Answer:
A. Osmosis
Explanation:
When plants are placed into a strong sugar or salt solution water will pass out of the cells by osmosis. As water passes out, the sap vacuole starts to shrink. These cells are no longer firm they are limp. We say that they are flaccid and the plant will wilt.
The process that is responsible for this effect is known as osmosis. Thus, the correct option for this question is A.
What is Osmosis?Osmosis may be defined as the process that significantly involves the movement of solute molecules from a lower concentration to a higher concentration of solution through a semipermeable membrane. It is the net movement of water across a semipermeable membrane.
It is very frequently observed that when plants are exposed to a strong sugar or salt solution, water will eventually be passed out of the cells through the process known as osmosis. As water passes out, the vacuole within the cell starts to shrink. It can be said that they are flaccid and the plant will definitely be in the process of wilting.
Therefore, the process that is responsible for this effect is known as osmosis. Thus, the correct option for this question is A.
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Biologically-based personality tendencies evidence in early childhood are called?
When looking at condensed chromosomes in a eukaryotic cell through a microscope, you are actually looking at_________.
When looking at condensed chromosomes in a eukaryotic cell through a microscope, you are actually looking at metaphase of mitosis or meiosis II. Metaphase is a stage during the process of of cell division (mitosis or meiosis).
Normally Individual chromosomes are dispersed throughout the cell nucleus. The chromosomes of the cell condense and move toward one another, aligning in the centre of the dividing cell, and the nucleus of the cell disintegrates during metaphase of mitosis. By microtubules attached to its kinetochore, one of the sister chromatids is joined to one pole of the cell, and the other sister chromatid is associated to the other pole. During meiotic cell division, metaphase is also visible. Specifically designed cells undergo a type of cell division called meiosis to produce gametes (egg cells or sperms). The two nuclear cell division cycles that make up meiosis are known as meiosis I and meiosis II.
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While reading a book, the author describes a cat as being as big as a house. Immediately, you picture a huge cat trying to fit through the front door of a house. What active reading strategy are you using? A. Making predictions
B. Using visual cues and text features
C. Making mental images
D. Drawing inferences
The process by which a cell copies its dna in preparation for cell division is called?
DNA replication is the process by which a cell copies its DNA in preparation for cell division.
The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the primary mechanism for biological heredity. Semi-conservative, conservative, and dispersive replication models were proposed as possible mechanisms for organisms to repeat their DNA.
A second double strand that is exactly the same as the first is created during replication. The first step in DNA replication is to separate the dsDNA since each of the two strands in the dsDNA molecule functions as a template for a new DNA strand. A DNA helicase accomplishes this. It is crucial that each daughter cell receives an exact copy of the DNA when a cell divides. DNA replication is the process that makes this happen. Before the cell reaches mitosis or meiosis, during the synthesis phase, also known as the S phase, of the cell cycle, DNA replication takes place.
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short term effect if a wild beast migration occurred in savanna grassland
The short-term effect if a migration of wild animals took place in savanna grasslands is higher mortality of adults of migrating species than of resident species.
Why do animals migrate?Several species of birds, mammals, insects and fish migrate from one place to another in search of favorable reproductive and environmental conditions.
Why do animals migrate in Africa?Almost two million animals move across the Serengeti and Mara plains in search of food and water. Facing multiple dangers such as land predators and crocodiles the wildebeest complete an 800 km round trip during the migration.
With this information, we can conclude that The Great Wildebeest Migration is the largest animal migration in the world. Every year, more than 2 million animals (wildebeest, zebra, and gazelle) migrate in a clockwise direction across the ecosystems of the Serengeti (Tanzania) and the Masai Mara (Kenya).
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In which zone would you expect to find the greatest abundance of marine organisms? middle intertidal zone supralittoral zone high littoral zone low intertidal zone
High littoral zone has greatest abundance of marine organisms.
What is High littoral zone?The intertidal zone, also known as the "littoral zone," refers to the seashore that is covered during high tide and exposed during low tide, revealing a unique biome that survives under such fluctuating conditions.
Where are most marine organisms found?The majority of ocean life can be found in coastal habitats on the continental shelf, despite the fact that this area accounts for only 7% of total ocean area. The majority of open ocean habitats are found in the deep ocean beyond the continental shelf. Species that live in the oceans and on the coasts can help to create new habitats.
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Which model holds true to explain the synthesis of atp by energy released from electron transport chain?
Chemiosmotic coupling holds true to explain the synthesis of atp by energy released from electron transport chain.
Peter Mitchell suggested that it would be possible to produce ATP by using an electrochemical gradient of protons across a membrane. The process is known as chemiosmosis because he compared it to osmosis, which is the diffusion of water across a membrane. Only a membrane protein known as ATP synthase allows hydrogen ions in the matrix space to pass through the inner mitochondrial membrane.
ADP is converted into ATP by ATP synthase as protons pass through. Oxidative phosphorylation describes the process by which ATP is produced in mitochondria by chemiosmosis. Proton gradient, ATP synthase, and proton pump are the essential elements required for the chemiosmosis process.
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The acyl chains in a lipid bilayer are found in the center of the membrane largely because of:______.
The acyl chains in a lipid bilayer are found in the center of the membrane largely because of they are impermeable.
What is Plasma Membrane?The membrane that divides the interior of the cell from the external environment is known as the plasma membrane, sometimes known as the cell membrane, and it is present in all cells. A semi-permeable lipid bilayer makes up the plasma membrane. The movement of materials into and out of the cell is controlled by the plasma membrane. A cell is protected by its cell membrane, also known as the plasma membrane.Additionally, it offers a stable environment inside the cell. And that membrane serves a variety of purposes. One is to move compounds out of the cell that are harmful as well as nutrients into the cell. Another is that there will be proteins on the cell's membrane, which is its plasma membrane, that interact with other cells. Additionally, a cell's membrane offers some structural support. Additionally, different cell types have different types of plasma membranes, and the lipid component of the plasma membrane generally contains a lot of cholesterol. This is distinct from a few other membranes inside the cell.Learn more about plasma membrane here:
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URGENT!!! How does body weight affect bone density?
Answer:
Explanation: Body weight is directly associated with bone mineral density (BMD). A low body mass index (BMI) has been identified as an important risk factor for lower BMD and predicts greater bone loss in older age (118, 138) and in younger persons in the absence of menses and/or an eating disorder (113).
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Determine if the following statement is true or false and why. “Primary and Secondary Consumers lose about 30% of the energy they absorb from food as heat.” A. False, it should read “Only Secondary Consumers lose about 30% of the energy they absorb from food as heat.” B. False, it should read “Primary and Secondary Consumers lose about 5% of the energy they absorb from food as heat.” C. True D. False, it should read “Primary Consumers lose about 5% of the energy they absorb from food as heat, while Secondary Consumers lose 30% as heat.”
True. The correct option is C.
Energy transfer in the ecosystemEnergy is transferred from lower to higher trophic levels of the food chain in any ecosystem.
In other words, energy is transferred when primary consumers feed on producers, when secondary consumers feed on primary consumers, and so on.
However, when energy is transferred through feeding from lower to higher trophic levels, a certain percentage of the energy is lost to the surroundings as heat.
In actual fact, scientists believe that about 90% (and not 30%) of the energy is lost as heat to the surrounding. Only about 10% of the energy is converted to useful energy.
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The deterioration of language as seen in a neurocognitive disorder is referred to as:_________
a. amnesia.
b. echolalia.
c. palialia.
d. aphasia
The deterioration of language as seen in a neurocognitive disorder is referred to as aphasia. Hence option d is correct.
What is neurocognitive disorder?Neurocognitive disorder is defined as a substantial deterioration in cognitive function that is severe enough to affect the person's day-to-day. A neurocognitive disorder is a medical ailment other than a mental illness that impairs mental function. It is frequently used interchangeably with dementia.
Aphasia is defined as a language condition brought on by harm to the part of the brain that regulates language expression and comprehension. Typically occurring unexpectedly after a stroke or a brain injury, aphasia. But it can also develop gradually as a result of an illness that damages the brain permanently or slowly-growing brain tumors.
Thus, the deterioration of language as seen in a neurocognitive disorder is referred to as aphasia. Hence option d is correct.
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True or false?
A researcher interested in the process of adjustment to prosthetic limb use would conduct phenomenological research.
A researcher interested in the process of adjustment to prosthetic limb use would conduct phenomenological research: False.
Phenomenological research is a qualitative studies approach that seeks to recognize and describe the commonplace essence of a phenomenon. The method investigates the everyday experiences of humans at the identical time as postponing the researchers' preconceived assumptions approximately the phenomenon.
The motive of Phenomenological studies is to light up the precise, to discover phenomena via how they're perceived by way of the actors in a situation.
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Two types of toad live in the same habitat, but one type breeds in the spring and the other breeds in the fall. what conclusion can be drawn from this information?
The conclusion that can be obtained from this information is that speciation might happen due to the crossing in different periods between toads.
What is speciation?Speciation refers to the emergence of isolation reproductive barriers due to some type of restraint in gene flow in the population.
Speciation may be due to geographical barriers such as new individuals on an island or ecological causes (as in this case) where individuals can cross in different periods.
In conclusion, the conclusion that can be obtained from this information is that speciation might happen due to the crossing in different periods between toads.
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Because one original strand of the double-stranded helix is found in each daughter cell, the replication process is called.
Because one original strand of the double-stranded helix is found in each daughter cell, the replication process is called semiconservative replication.
What is semiconservative replication?Before dividing, a cell copies its DNA through the replication process. For instance, before going through mitosis, each parent cell in a human must duplicate all six billion base pairs of its DNA.
Semiconservative replication is the technique used to reproduce DNA. Every strand serves as a model for a fresh double helix. DNA replication as it is now understood, where each double-stranded molecule is made up of one parental strand and one newly polymerized strand.
Every new DNA double helix would be a hybrid after one replication cycle made up of one strand of previously synthesized DNA coupled to another, according to the semiconservative model. The hybrids would then split during the second round of replication, and each strand would partner with a freshly created strand. The remaining half of the new DNA double helices would be entirely new, leaving only half of them to be hybrids. So there would be fewer hybrids and more entirely new double helices after each round of replication.
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What were the responsibilities delegated to the environmental protection agency (epa) at its creation in 1970?
Enforcing current regulations for clean air, water, and control pesticides were the responsibilities delegated to the environmental protection agency at its creation in 1970.
The United States federal government's independent Environmental Protection Agency (EPA) is in charge of environmental protection issues. On July 9, 1970, President Richard Nixon suggested creating the EPA.
The United States federal government's independent Environmental Protection Agency (EPA) is in charge of environmental protection issues like regulation for clean air and water.
The Environmental Protection Agency develops and implements environmental legislation, funds and conducts research, and guards against serious health threats to people and the environment.
The Environmental Protection Agency (EPA) is charged with creating and enforcing rules, researching environmental problems, and educating the public about environmental matters.
The Environmental Protection Agency develops and implements environmental legislation, funds and conducts research, and guards against serious health threats to people and the environment.
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The autoimmune disease in which there is rapid reproduction of skin cells resulting in patches of scaly, thick skin is:__________
The autoimmune disease in which there is rapid reproduction of skin cells resulting in patches of scaly, thick skin is Psoriasis.
Psoriasis is a frequent, chronic condition that has no cure, since it's an autoimmune. The illness frequently goes through cycles where it will flare up for a few weeks or months before decreasing. Infections, cuts, burns, and specific drugs are common psoriasis triggers in persons with a hereditary predisposition to the condition.
There are several types of psoriasis, each of which varies in its signs and symptoms:
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Adh increases the permeability of the collecting duct to water, and this means water flows?
ADH increases the permeability of the collecting duct to water, and this means water flows from the Collecting duct into the blood to decrease the volume of the fluid in the collecting duct.
ADH is a hormone that increases permeability to water in the collecting ducts and therefore increases water reabsorption from the urine. This decreases the volume of water in the urine.
ADH travels in the bloodstream to its target organ, the kidneys. It causes the kidney tubules to become more permeable . This means more water can leave the kidney tubule to be reabsorbed back into the blood during selective reabsorption.
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Determine if the following statement is true or false, and why. all mutations are harmful and increase the risk of disease such as cancer.
The given statement is False.
All mutations are not harmful but some can increase the risk of diseases such as cancer.
Are all mutations harmful?A mutation is a change in a gene's structure, which is how inheritance works. DNA, a lengthy molecule made up of nucleotide building pieces, is the substance that makes up genes.While most mutations are benign, some can be detrimental. A dangerous mutation may lead to a cancerous condition or possibly a genetic problem. Chromosome mutations are yet another type of mutation.Mutations may be inherited or picked up during the course of a lifetime.Some mutations are advantageous and raise an organism's chances of thriving and passing on its genes to the following generation.Natural selection will gradually increase the frequency of a mutation when it enhances either survival or reproduction. When mutations are dangerous, they gradually disappear from the population.Hence, not all mutations are harmful only a few can be.
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Which is an example of a lipid?Which statement describes the F1 generation of a Mendelian monohybrid cross between two true-breeding parents?
A steroid hormone is an example of a lipid whereas the statement that describes the F1 of a monohybrid cross between two true-breeding parents is a 100% dominant phenotype.
What is a lipid?Lipids represent a broad category of biomolecules composed of fatty acids and one glycerol backbone.
Moreover, the F1 of a monohybrid cross between two true-breeding parents (i.e., one recessive and one dominant parent) will exhibit a 100% dominant phenotype.
In conclusion, a steroid hormone is an example of a lipid whereas the statement that describes the F1 of a monohybrid cross between two true-breeding parents is a 100% dominant phenotype.
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What does it mean when an experiment has a set of events that are collectively exhaustive?
A Final statement or concluding statement
If the union of a set of events equals the sample space, the set of events is said to be collectively exhaustive. This indicates that every outcome of the random experiment is represented by the current set of events.
Examples of Exhaustive events are:-Experiment: - A die is rolled and following observation is obtained.
Sample space :- ( 1, 2, 3, 4, 5, 6)
E1:- getting a multiple of 2 number
E2:- not getting a multiple of 2
E1 and E2 are two exhaustive events
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____________ develop(s) from the fusing of two separate sperm and egg at the same time that each develop into their own embryo.
The highlighted vessels are ________ blood to the heart. The highlighted vessels are ________ blood to the heart. arteries that carry deoxygenated veins that carry oxygenated arteries that carry oxygenated veins that carry deoxygenated
In the circulatory system, arteries take blood from the heart, and veins carry it to the heart. B) The highlighted vessels are veins that carry oxygenated blood to the heart.
What is the circulatory system?The circulatory system is a mechanism that, together with the respiratory system, provides oxygen to the organism and removes carbon dioxide.
The circulatory system is in charge of driving oxygen to all the tissues and cells in the body and taking away carbon dioxide from them.
These gases are in the oxygenated and deoxygenated blood, respectively.
The heart bombs blood through arteries
The oxygenated blood moves forward all tissues and cellsDeoxygenated blood goes to the lungs ⇒ pulmonary artery
This organ also receives blood through veins,
Oxygenated blood enters from the lungs ⇒ pulmonary veinDeoxygenated blood comes from other tissues
So the heart sends blood through arteries and receives blood through veins. Depending on the destiny and origin of this blood, it is oxygenated or deoxygenated.
There are two principal types of circulation,
Lung circulation
1. Moves blood between the heart and the lungs.
2. Deoxygenated blood goes from the heart to the lungs (pulmonary artery)
3. In the lungs, deoxygenated blood releases carbon dioxide and gets oxygenated again.
4. Carbon dioxide is released by exhalation.
5. Blood absorbs oxygen from small air sacs named alveoli.
6. Oxygenated blood returns to the heart (pulmonary vein).
Systemic circulation
1. Carries blood between the heart and the rest of the body.
2. Oxygenated blood leaves the heart and moves to all the cells in the body (arteries).
3. Deoxygenated blood returns from tissues to the heart (veins).
From the image,
The highlighted vessels are closely related to the lungs. So, according to their position and diametre, we can assume these are either pulmonary veins or arteries.If we consider the statement says that the highlighted vessels move blood TO the heart, we can assume we are talking about veins.
The only veins that move from the lungs to the heart carry oxygenated blood.
According to this reasoning, option B is correct.
The highlighted vessels are veins that carry oxygenated blood to the heart.
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what can be stated for a particular element if only the group number of 14 is known
A. The element has 14 neutrons
B.the element has 4 valence electrons
C. The element has 4 electrons
D. The element has 14 protons
For a particular element if only the group number of 14 is known then the element has 4 valence electrons.
What is valence electron?Valence electron is defined as the number of electrons which an atom must lose or gain to attain the nearest noble gas or stable electronic configuration. “Electrons in the outermost shells that are not filled are called valence electrons”.
The valence electrons are termed as the part of the chemical reactions as they contain more energy as compared to the electrons present in inner orbits. Meanwhile, the number of valence electrons which present also helps us to determine a specific element’s chemical properties, such as its valence or valency, the formation of bonds with other elements.
Determination of valence electronOne of the most simple way to find valence electrons is
valance electron = group number (13-17) -10
For group number 14
valence electron = 14-10
= 4
Thus we find that the number of valance electron is 4.
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