If a cell is unable to progress beyond the G1 phase it is a likely indicator that the cell was unable to reach to an appropriate size and lacked nutrients and growth factors.
What are cell cycle checkpoints?Cell cycle checkpoints are various mechanisms which control the progression of cell from one stage of the cycle to next.G1 checkpoint is located at the end of G1 and progression to S phase. It checks whether the cell has grown to a specific size and has accumulated nutrients and growth factors.It is also an indicator that the environment is not appropriate for cell division.G2 checkpoint is present at the transition from G2 to M phase. It checks whether the DNA has replicated properly or is there any damage in the DNA.M checkpoint is for transition from Metaphase to Anaphase. It checks whether the chromosomes have properly attached to the spindle fibers at the metaphase plate.Learn more about cell cycle checkpoints here:
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Doctors are investigating the possible inheritability of a disease with no current known cause. What tool might be useful to help track the disease’s prevalence?
Pedigrees tool might be useful to help track the disease’s prevalence.
A pedigree chart, which is most frequently used to represent people, show dogs, and race horses, depicts the incidence and manifestation of phenotypes of a specific gene or organism and its ancestors from one generation to the next. A pedigree reveals the connections between family members and identifies the members of a family who have particular genetic pathogenic variations, features, and diseases as well as their current health. A family's pedigree might reveal how diseases are passed down through the generations.
Pedigree analysis is used to identify the mode of inheritance, which may be autosomal, mitochondrial, dominant, partial dominant, or sex-linked. Additionally, it calculates the likelihood that a person or their progeny will be impacted by the particular cross.
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What are the two major modes of glycolysis and what is the purpose of each mode?
The two major modes of glycolysis are aerobic and anaerobic glycolysis.
Glycolysis is the method by which glucose is broken down to produce energy. It generates two pyruvate molecules, ATP, NADH, and water. There is no need for oxygen throughout the process, which occurs in the cytoplasm of a cell.
Both anaerobic and aerobic conditions can result in glycolysis.
Pyruvate enters the citric acid cycle under aerobic conditions and proceeds through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules. Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.
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Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
The correct answers are sex hormones and thyroid hormones.
HormonesIn multicellular animals, a hormone is any member of a class of signaling molecules that is carried by complex biological mechanisms to distant organs to control physiology and behavior. The proper development of fungi, plants, and animals depends on hormones. The broad definition of a hormone (a signaling molecule that functions beyond from its point of production) allows for the classification of a wide range of molecular classes as hormones. Eicosanoids (such as prostaglandins and thromboxanes), steroids (such as oestrogen and brassinosteroid), amino acid derivatives (such as epinephrine and auxin), protein/peptides (such as insulin and CLE peptides), and gases are among the substances that can be termed hormones (e.g. ethylene and nitric oxide).
Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
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Smaller neurons require more current to change their membrane potential.
a) true
b) false
This is false that Smaller neurons require more current to change their membrane potential.
A potential gradient known as membrane potential causes ions to passively migrate in one direction: positive ions are drawn to the "negative" side of the membrane, while negative ions are drawn to the "positive" side. Human life is impossible without membrane potentials. Over their membrane, every living cell maintains a potential difference. Simply said, differences in the concentration and permeability of significant ions across a membrane are what cause membrane potential.
A change in membrane potential results from a change in ion permeability. The membrane potential moves closer to the ion's Nernst equilibrium potential as permeability to that ion increases. The membrane potential is shifted away from the ion's Nernst equilibrium potential as permeability to that ion decreases.
The less probable it is that the arriving ions will collide with something that might cause them to bounce back, the bigger the axon's diameter of a neuron. Positive ions must continuously move away from the cell body in order for the action potential to exist, and this is made much simpler in a bigger axon.
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For a biology project, you measure the weight in grams, and the tail length, in millimeters (mm), of a group of mice. the equation of the least-squares line for predicting tail length from weight is:________
The equation of the least-squares line for predicting tail length from weight is: predicted tail length = 20 + 3 × weight .
Determining how variation in morphology affects animal performance (and ultimately fitness) is key to understanding the complete process of evolutionary adaptation. Long tails have evolved many times in arboreal and semi-arboreal rodents; in deer mice, long tails have evolved repeatedly in populations occupying forested habitat even within a single species (Peromyscus maniculatus).
We use a combination of functional modeling, laboratory studies, and museum records to test hypotheses about the function of tail-length variation in deer mice.
First, we use computational models, informed by museum records documenting natural variation in tail length, to test whether differences in tail morphology between forest and prairie subspecies can influence performance in behavioural contexts relevant for tail use. We find that the deer- mouse tail plays little role in statically adjusting centre of mass or in correcting body pitch and yaw, but rather it can affect body roll during arboreal locomotion.
In this context, we find that even intraspecific tail-length variation could result in substantial differences in how much body rotation results from equivalent tail motions (i.e., tail effectiveness), but the relationship between commonly-used metrics of tail-length variation and effectiveness is non-linear.
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What was an unexpected consequence of the green revolution? a. the overuse of fertilizer lead to reduced crop yields over time. b. crop yields were increased. c. modern agricultural techniques were implemented. d. new crop varieties were developed. please select the best answer from the choices provided a b c d
Answer:
The correct answer is A
Explanation:
A. the overuse of fertilizer lead to reduced crop yields over time.
Answer:
I also think the answer is A
Disease that is characterized as having lack of energy and protein is called?
Answer:
Sounds closest to: Kwashiorkor
Explanation:
Kwashiorkor is a disease brought on by severe protein malnourishment. In Kwashiorkor, extended breastfeeding and late, insufficient weaning lead to low calorie intakes but significantly superior biological value. As a result, a kid with kwashiorkor will likely experience compromised organ function and development. Sudden outbreaks of diseases like the measles, gastroenteritis, or pneumonia exacerbate the issue by increasing needs while maintaining low intakes. The kid may exhibit oedema of the face and lower limbs, failure to grow, anorexia, diarrhea, lethargy, dermatosis, flaky-looking skin, scant, soft, and thin hair, angular stomatitis, cheilosis, and anemia as a result of this scenario.
This is a bit similar to Marasmus.
But there is a difference.
But ⇒ how does kwashiorkor and marasmus differ?
Kwashiorkor is predominantly a protein shortage, despite adequate calorie intake. When a youngster is weaned off of protein-rich breast milk, it frequently happens. The patient will show signs of oedema, an enlarged abdomen, and other conditions.
Marasmus is a total energy shortage that causes a body weight that is at least 60% below normal. The victim will only be malnourished.
Recent work by taxonomists at the world register of marine species has eliminated how many previously listed species because they were duplicate identities?
Recent work by taxonomists at the world register of marine species has eliminated between 1,50,000 and 2,00,000 previously listed species because they were duplicate identities.
228,445 marine organisms have been identified, according to taxonomists who have taken on the challenging mission of cataloging every species in the ocean.
190,400 i.e. between 1,50,000 and 2,00,000 previously listed species were removed by the World Register of Marine Species (WoRMS) staff because they were duplicates.
A biologist who classifies creatures is a taxonomist.
For instance, a plant taxonomist could research the origins and connections between various rose varieties, whereas an insect taxonomist might concentrate on the connections between various beetle varieties.
The plants, animals, and other species that exist in salt water found in the sea, ocean, or brackish water found in coastal estuaries are referred to as marine life, sea life, or ocean life. Marine life has a fundamental impact on the planet's nature.
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What organism began to grow in large numbers in lake washington as a result of the relaase of effluent from sewage treatment plans?
Cyanobacteria (blue-green algae) began to grow in large numbers in lake Washington as a result of the release of effluent from sewage treatment plans. Human activities have a big impact on water quality, but other, more subtle biological processes are also quite important.
An intriguing illustration of how anthropogenic factors and biological processes can change water quality is Lake Washington. The late Dr. W.T. Edmondson, spent many years researching the biology and chemistry of Lake Washington.Between 1941 and 1963, the lake received growing amounts of secondary processed sewage, which led to eutrophication and a decrease in the lake's water quality. From 1955 to 1973, cyanobacteria dominated the planktonic algae community.
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If species a provides a habitat to species b as part of a mutualistic relationship, what is the probable effect on the abundance and distribution of species b?
Species B will not be able to survive outside the range of the species A.
What is mutualistic relationship?Relationship between creatures of different species that is mutualistic and advantageous to both parties, predation.Mutualism is a sort of symbiotic association in which all of the participating species gain from one another.When two organisms of different species "operate together," they are said to be in a mutualistic relationship since they both gain from it. The interaction between the oxpecker and the rhinoceros or zebra is an illustration of a mutualistic partnership.The word "mutualist" denotes that the host and the tiny partner are the other participants involved in the mutualism. For instance, ants eat and drink acacia tree nectar to survive. In this case, the mutualists are ants, and the hosts are acacia trees. Ants have a place to live and food to eat in the acacia tree.Learn more about mutualistic relationship here:
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If a cell has a normal osmotic pressure of 4500 mmhg and is placed into a solution with an osmotic pressure of 3500 mmhg. What will happen to the cell?
The cell will lose water and its osmotic pressure will decrease. If a cell has a normal osmotic pressure of 4500 mm Hg and is placed into a solution with an osmotic pressure of 3500 mm Hg
What is osmosis?The pressure created by a liquid or solvent diffusing through a membrane is known as osmotic pressure.
What is osmotic pressure?Osmotic pressure is the lowest amount of pressure that must be applied to a solution in order to stop solvent molecules from passing through a semipermeable membrane (osmosis). Its existence is a collaborative property that is reliant on the quantity of solute particles in the solution.
Example:You are mixing salt water into a solution. The mixture will be made up of water and salt (solute) (solvent).Effects of osmotic pressure:
The membrane separating the two solutions allows the solvent to go from the diluted to the more concentrated solution.
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Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?
Most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from the inter-mediolateral horns of the gray matter of spinal cord.
What is sympathetic nervous system ?The autonomic system is up two types such as the sympathetic and parasympathetic systems.
Both subsystem work antagonistically but in an integrated manner.
Sympathetic system is highly essential for preparing our body during emergencies for 3 F responses such as fight, fright and flight.
During this response, sympathetic system activates complex pathways for faster breathing, increased heart rate and blood pressure.
Hence, the inter-mediolateral horns of the gray matter of spinal cord is correct answer.
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A scientific claim answers a question or offers a solution to a problem. Reflect on the Encounter the Phenomenon question and brainstorm potential answers. Use your observations from the Inquiry Activity to formulate your claim about the phenomenon
A scientific claim is developed by answering questions raised through suitable hypotheses that allow making predictions, which can be tested by experimental procedures.
What is a scientific claim?A scientific claim is a body of knowledge obtained by answering the equation formulated through the observation of the real world.
These observations are capable of raising plausible explanations or hypotheses that can be tested (confirmed or rejected) by using the scientific method.
An inquiry activity may be, for example, the observation of the movement of a cylinder in aqueous solution.
In conclusion, a scientific claim is developed by answering questions raised through suitable hypotheses that allow making predictions, which can be tested by experimental procedures.
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Along one strand of a dna double helix is the nucleotide sequence ggcataggt. what is the sequence of the rna that would be transcribed from this region?
The sequence of the RNA that would be transcribed from this region of a DNA nucleotide sequence (GGCATAGGT) is CCGUAUCCA.
How is RNA formed?DNA is the part of a living being that carries genetic information.
The DNA is a biopolymer of deoxyribonucleic acid (a type of nucleic acid) that has four different chemical groups, called bases:
AdenineGuanineCytosineThymineHowever, during the process of transcription, the information in the DNA is read into a mRNA molecule.
Therefore, the sequence of the RNA that would be transcribed from this region of a DNA nucleotide sequence (GGCATAGGT) is CCGUAUCCA.
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Maintain population numbers close to the habitat carrying capacity are called _______ species
Animal species that exhibit long gestation periods, give birth to relatively large offspring, and maintain population numbers close to the habitat carrying capacity are called K-selected species.
In nature, a given habitat contains sufficient resources such as food, water, etc. to support a maximum possible number of biological species, beyond which no further growth is possible. It is termed as nature's carrying capacity for that species in the habitat.
MacArthur and Wilson proposed that there are two life-history strategies i.e. K-selected and r-selected. K-selected species exhibit a proportionately stable population that gives rise to a low number of offspring which tend to be very large. For example the African elephant is included among K-selected species.
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4. incandescent bulbs emit light in the yellow-orange range of the spectrum. would these light bulbs produce healthy plants? explain your answer
Incandescent bulbs emit light in the yellow-orange range of the spectrum. These light bulbs would not generally produce healthy plants as a result of reduced photosynthetic activity of plants.
Incandescent bulb was the first kind of light bulb to be invented. It is made up of a glass sphere which contains a small filament of metal that lights up as electricity is passed through it.
Red & blue light are most favorable for plant growth, however, yellow & green have very little effect.
If only yellow light is used, the photosynthetic activity of plants is greatly reduced producing less organic matter which can be utilized by the plant, thus weakening its growth.
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______ are single-cell organisms found in the food we eat, the water we drink, and the air we breathe.
The primary oocytes in primordial follicles remain arrested in ______ until after puberty.
The primary oocytes in primordial follicles remain arrested in prophase I of first meiosis in ovary until after puberty. Thus, option D is correct.
What do you mean by oocyte ?Oocytes are the first developing egg cells produced by ancestral oogonia cells of ovary during fetal development.
Oogonia undergo mitosis and produce diploid chromosome containing daughter cells and these oogonia become oocytes.
Oocytes remain dormant until puberty, as it is arrested at early stage of first meiosis as a primary oocyte or primordial follicle.
The average time duration of the conversion of the primordial follicle containing an oocyte to a preovulatory follicle is about 120 days.
Hence option D is correct.
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Your question was incorrect. So the probable question was
The primary oocyte in primordial follicles remain arrested in _____ until after puberty.
A. anaphase I
B. anaphase II
C. prophae II
D. prophase I
What should you do if every dilution of your sample results in a plate that is too few to count (tftc)?
When every dilution of your sample results in a plate that is too few to count we should filter the original sample and use most probable number method .
Probable number method count and determine the number of bacteria in a culture, plate aliquots of the dilutions onto agar with sterile pipettes, spread with glass sticks, incubate at 37°C and count the number of colonies. It is imperative that you utilize your best culture technique.
Not all bacterial cells produce colonies, as some bacteria tend to clump or aggregate, and some are nonviable. For this reason results are reported as colony forming units (CFU)/ml of bacterial culture. Ideally only plates with 25-250 colonies are used.
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Under normal conditions, humans break down glucose by aerobic respiration. however, there are times, such as during vigorous exercise, when muscle cells respire glucose faster than oxygen can be supplied. under these conditions (1) ____________________ fermentation occurs. in the process mentioned in (1), nadh produced during (2) ____________________ transfers its hydrogen atoms and associated electrons to (3) ____________________ in the cytoplasm of the cell.this regenerates ____________________ and allows (2) to continue. this results in the conversion of (3) to (4) ______________________________. the accumulation of (4) molecules in muscle tissues causes stiffness, soreness and fatigue. (4) is transported through the bloodstream from muscle cells to the liver. when the exercising is stopped, (4) is oxidized back to (3), which then goes through the ____________________ cycle and ________________________________________. the extra ____________________ needed to convert (4) to carbon dioxide and ____________________ is referred to as ____________________.
Humans experience lactic acid fermentation when their bodies urgently require a lot of energy. When you are sprinting at full pace or exercising there is shortage of oxygen in the body and the ATP gets exhausted. Your muscles will begin manufacturing ATP through lactic acid fermentation once the reserve ATP has been expended.
Under normal conditions, humans break down glucose by aerobic respiration. however, there are times, such as during vigorous exercise, when muscle cells respire glucose faster than oxygen can be supplied. under these conditions (1) Lactic Acid fermentation occurs. in the process mentioned in (1), nadh produced during (2) Glycolysis transfers its hydrogen atoms and associated electrons to (3) Pyruvate in the cytoplasm of the cell.this regenerates NAD+ and allows (2) to continue. this results in the conversion of (3) to (4) Lactate. the accumulation of (4) molecules in muscle tissues causes stiffness, soreness and fatigue. (4) is transported through the bloodstream from muscle cells to the liver. when the exercising is stopped, (4) is oxidized back to (3), which then goes through the Citric acid cycle and store energy in the form of ATP. the extra Lactate needed to convert (4) to carbon dioxide and pyruvate is referred to as Cori cycle.
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after it is released a mature egg travels by the means of
Answer:
Muscle Contractions
*EDUCATIONAL PURPOSES*
Ovulation Process:
The pituitary gland, located in your brain, releases a hormone once every month. This hormone instructs the ovaries to create many follicles, which are fluid-filled cysts. The hormone oestrogen is secreted by the growing follicles. In order to prepare for pregnancy, oestrogen causes the uterine membrane to thicken.
The follicles cease developing on day seven of your cycle, with the exception of one. This follicle keeps expanding and nourishes an oocyte (egg) that is developing within.
On day 12, a surge of oestrogen is released into the bloodstream by the developing follicle. Your blood carries the oestrogen along. The pituitary gland in your brain releases luteinizing hormone in response to the oestrogen reaching it. This hormone causes a quick growth spike in the follicle.
The egg within the follicle separates from the follicle just before ovulation. The neighboring fallopian tube begins to migrate toward and around the follicle as the follicle begins to produce chemicals.
The egg and fluid are ejected into the abdominal cavity when the follicle expands to the point of breaking open.
Fimbriae, or tiny finger-like projections at the termination of the fallopian tube, move over the ruptured follicle and seize the egg.
The egg is moved to the fallopian tube's opening. Muscle contractions push the egg gently towards the direction of the uterus once it has entered the fallopian tube's walls.
Either sperm will contact the egg as it travels down the fallopian tube, resulting in fertilization, or the egg will arrive in the uterus unfertilized and be reabsorbed into the body.
Conception Process:
A woman must fertilize her egg within the 12 to 24 hours following ovulation if she wants to get pregnant.
The surge of oestrogen right before ovulation also creates the protein-rich transparent jelly that covers the vagina during intercourse within the neck of the uterus (the cervix). Thus, the vagina became acidic (which prevents thrush and other infections). Sperm can survive in this environment as well. Rapidly moving sperm swim up and into the cervix, where they can live for up to five days in the mucus until an egg is produced.
The fallopian tube might grab the egg because it is wrapped in sticky cells when it is released after ovulation. The sperm begin to break down the adhesive cells when they encounter the egg in the fallopian tube. While only one sperm is required to create a baby, numerous are required to cling to the egg's membrane and outer shell before one may penetrate and fertilize it.
After fertilization, substances are produced to prevent the entry of more sperm before the egg and sperm swiftly combine and split to form an embryo.
The fertilized egg continues to divide and move toward the uterus throughout the course of the following four to five days.
The burst follicle (now known as the corpus luteum), which releases the hormone progesterone into your bloodstream, primes the uterus for the egg to implant.
The pregnancy is sending an increasingly potent signal to the ovary to prolong and boost the production of progesterone, which the pregnancy needs to live, while it develops and installs itself into the mother's uterine lining and blood vessels.
Thank you,
Eddie
A dull colored flower that does not produce nectar, flowers during the day or night with a funnel-like blossom and usually smells really awful is most likely pollinated by what type of organism?
Nectar is sweet viscous secretion from the nectarines or glands, in plant blossoms, stems and leves which is sugar solution composed of one disaccharide and two hexoses. Rose flower does not have any nectar and sunflower , goldenrod, cosmos, mint , etc are good examples of nectar.
Both water as well as wind for pollination are not very colorful and do not produce nectar because there is no need to attract the pollinating agents.These plants produce enormous numbers of small pollen grains , wind pollinated plants may be allergens, but seldom are animal pollinated plants allergenic.
Moths are the nocturnal pollination because they pollinate flower that only bloom at night.Bees or butterflies pollinate plants whose scent is high during the day, moths and bats pollinate plants whose fragnace is greatest at night.
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If a 0. 2-ml blood sample with a paco2 of 40 mm hg diffuses across a membrane into the e2 electrode containing 0. 3 ml of solution, the final paco2 in the blood sample will be::________
If a 0. 2-ml blood sample with a paco2 of 40 mm hg diffuses across a membrane into the e2 electrode containing 0. 3 ml of solution, the final paco2 in the blood sample will be less than 16 mm Hg.
What is paco2?
The partial pressure of carbon dioxide is specifically evaluates the carbon dioxide level in blood.
It is a determined by using a popular test called arterial blood gases (ABG) test.
It also also evaluates the partial pressure of oxygen (PaO2), bicarbonate (HCO3), and pH level of blood.
This test is performed on patients of lung diseases, neuromuscular diseases and also useful for getting a clear picture of the body's metabolic and respiratory conditions.
Hence the answer is less than 16 mm Hg.
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Why does venous return from the distal arm travels in the superficial veins and those veins tend to bulge superficially in a person who is working out?
Blood distribution is adjusted by a short-term neural control mechanism to meet specific demands. During working out, the hypothalamus signals for reduced vasomotor stimulation of the skin vessels. Blood moves into the capillary veins, and heat radiates from the skin to reduce body temperature.
VeinsAll over your body, veins are blood vessels that collect blood with low oxygen content and send it back to your heart. Your circulatory system includes your veins. They cooperate with your heart, other blood vessels, and other organs to maintain blood flow. Most of your body's blood is stored in veins. Your veins actually contain around 75% of your blood. Veins have two basic functions. One function is to gather blood that is low in oxygen throughout your body and transport it back to your heart. The other function is to transport blood that is rich in oxygen from your lungs to your heart. Only during this process do veins transport oxygen-rich blood.
Why does venous return from the distal arm travels in the superficial veins and those veins tend to bulge superficially in a person who is working out?
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What interventions could increase monogamy among meadow voles?
Answer choices:
Introduction of a viral vector that upregulates spontaneous vasopressin release
Introduction of an oxytocin-like drug
Introduction of a viral vector that increases oxytocin receptor density in the reward pathway
Introduction of an oxytocin blocker
Upregulation of vasopressin and oxytocin in the spinal cord using a microcatheter
Upregulation of vasopressin and oxytocin in the spinal cord using microcatheter interventions could increase monogamy among meadow voles. the correct answer is option(e).
In contrast to non-monogamy, monogamy is a type of dyadic interaction in which an individual has only one partner during their lifespan or, alternatively, just one partner at any given moment. The phrase is also used to describe how some animals behave in social situations, specifically the status of having just one mate at any given time.
Inhibitory interneurons may be activated by oxytocin and vasopressin across subcortical and possibly cortical networks, including reward pathways, to moderate their effects. Brain areas that are important for maintaining behavioral and physiological equilibrium are where oxytocin and AVP are largely produced. These two peptides are produced by several cells in distinct areas of the brain, including the supraoptic nucleus (SON) and paraventricular nucleus (PVN) in the hypothalamus.
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What is bone made of? List and give the percentages of the cellular and extracellular components of bone.
Why did temujin take the name genghis khan after founding the mongol empire? he chose the name to intimidate other tribes. it was his given mongol name at birth. it was the name given to him through the mandate of heaven. he chose a name that would identify him as a universal leader.
Genghis Khan (aka Chinggis Khan) was the founder of the Mongol Empire which he ruled from 1206 until his death in 1227. Born Temujin, he acquired the title of Genghis Khan, likely meaning 'universal ruler’, after unifying the Mongol tribes. Utterly ruthless with his enemies, countless innocents were slaughtered in his campaigns of terror - millions according to medieval chroniclers.
Genghis Khan attacked the Xi Xia and Jin states and then Song China. In the other direction, his fast-moving armies invaded Persia, Afghanistan, and even Russia. Genghis Khan had a fearsome reputation but he was an able administrator who introduced writing to the Mongols, created their first law code, promoted trade and granted religious freedom by permitting all religions to be freely practised anywhere in the Mongol world. In this way, Genghis Khan built the foundations of an empire which would, under his successors, ultimately control one-fifth of the globe.
Temujin, acquired the title of Genghis Khan, likely meaning 'universal ruler’, after unifying the Mongol tribes.
Genghis Khan and the Mongol Empire:
Genghis Khan, aka Chinggis Khan, was the founder of the Mongol Empire which he ruled from 1206 until his death in 1227. Utterly ruthless with his enemies, countless innocents were slaughtered in his campaigns of terror - millions according to medieval chroniclers.Genghis Khan attacked the Xi Xia and Jin states and then Song China. In the other direction, his fast-moving armies invaded Persia, Afghanistan, and even Russia. Genghis Khan had a fearsome reputation but he was an able administrator who introduced writing to the Mongols, created their first law code, promoted trade and granted religious freedom by permitting all religions to be freely practised anywhere in the Mongol world. In this way, Genghis Khan built the foundations of an empire which would, under his successors, ultimately control one-fifth of the globe.To learn more about Genghis Khan:
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Which cell structure distinguishes members of domain eukarya from other organisms?
Answer:
Nucleus
Explanation:
Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope, eukaryotes are distinguished from prokaryotes(another Domain) which are single-celled organisms that lack a nucleus, and other membrane-bound organelles.
Archaea is another domain but does not have a nucleus.
Nucleus is cell structure distinguishes members of domain eukarya from other organisms.
What is Nucleus?A nucleus is the organelle within a cell that is membrane-enclosed and houses the chromosomes.
The nuclear membrane has a variety of pores that enable the selective passage of specific molecules (such proteins and nucleic acids) into and out of the nucleus.
When you look at a photograph of a cell, one of the parts that stands out the most is the nucleus. All of the cell's chromosomes, which contain the genetic material that is encoded, are located in the nucleus, which is in the center of the cell.
Therefore, Nucleus is cell structure distinguishes members of domain eukarya from other organisms.
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In drosophila development, pattern development in the late embryo, larva, and adult is controlled by?
In drosophila development, pattern development in the late embryo, larva, and adult is controlled by homeotic type of gene.
In Drosophila, development is controlled by homeotic type of gene. The beginning phases of development are controlled by homeotic genes. The general body plan of Drosophila is the same in the embryo, the larva, and the adult, each of which has a distinct head end and a distinct tail end, between which are repeating segmental units .
Three of these segments form the thorax, while another eight segments form the abdomen. Two different sets of genes control embryonic development in Drosophila maternal-effect genes and zygotic genes.
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What are the three of the fundamental assumptions of biological theories of crime causation?
Three of the fundamental assumptions of biological theories of crime causation are:-
1. Those that attempt to differentiate among individuals on the basis of certain innate or inborn outward physical traits or characteristics;
2. Those that attempt to trace the source of differences to genetic or hereditary characteristics; and
3. Those that attempt to distinguish among individuals on the basis of structural, functional, or chemical differences in the brain or body.
Biological theories within the field of criminology attempt to explain behaviors which are contrary to societal expectations through examination of individual characteristics.
These theories are categorized within a paradigm called positivism (also known as determinism), which asserts that behaviors, especially law-violating behaviors, are determined by factors largely beyond individual control.
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