If a cell with 20 chromosomes undergoes mitosis, then each daughter cell will have 20 chromosomes.
Mitosis is a type of cell division by which a parental cell divides to produce two genetically identical daughter cells.Conversely, meiosis is a type of reductional cell division by which a cell produces four daughter cells containing half of the genetic material (DNA).Somatic cells divide by mitosis, whereas germinal (gametic) cells divide by meiosis.Mitosis has four main stages: prophase, metaphase, anaphase and telophase.In conclusion, if a cell with 20 chromosomes undergoes mitosis, then each daughter cell will have 20 chromosomes.
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What is the main difference in purpose between the mitosis and meiosis
Answer:
Meiosis involves two divisions of the nucleus, while mitosis involves only one. Meiosis produces four sex cells that are haploid, meaning they have half the number of chromosomes. Mitosis, on the other hand, produces two cells that are identical to the original cell. These cells are diploid, meaning they have pairs of chromosomes.
Explanation:
The terminal electron acceptor in aerobic respiration is water, which is broken down to hydrogen and oxygen.
a. True
b. False
Final answer:
The statement is false; oxygen, not water, is the terminal electron acceptor in aerobic respiration, where it combines with protons and electrons to form water.
Explanation:
The statement that the terminal electron acceptor in aerobic respiration is water, which is broken down to hydrogen and oxygen, is false. In aerobic respiration, the final electron acceptor at the end of the electron transport chain is an oxygen molecule, O₂. When oxygen accepts electrons, it also combines with protons (hydrogen ions, H+) from the surrounding medium to form water (H₂O). This step is vital for the production of ATP, the energy currency of the cell. If oxygen is not available, aerobic respiration cannot occur, and cells may switch to anaerobic processes such as fermentation to regenerate NAD+ from NADH.
What is the rationale for administration of ranitidine to a patient who is experiencing acute adrenal insufficiency?
A child has been diagnosed with hemophilia type a after experiencing excessive bleeding from a minor trauma. the mother shares that she is 4 weeks pregnant and questions as to whether this pregnancy will result in a child with hemophilia. what is the best response by the nurse?
The waves that have shorter wavelengths than visible light are: (check all that apply)
Question 14 options:
Radio stations
Ultraviolet waves
Gamma rays
Mircowaves
Final answer:
Among the given options, ultraviolet waves and gamma rays have shorter wavelengths than visible light; thus, they are the correct choices. Radio stations and microwaves have longer wavelengths.
Explanation:
The waves that have shorter wavelengths than visible light are ultraviolet waves and gamma rays.
The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes gamma rays, X-rays, ultraviolet rays, visible light, infrared radiation, microwaves, and radio waves. Of the options provided, ultraviolet waves and gamma rays have shorter wavelengths than visible light. Gamma rays have the smallest wavelengths but the highest frequencies and energies, while ultraviolet rays also have wavelengths shorter than visible light but are less energetic than gamma rays.
Radio stations and microwaves have longer wavelengths than visible light. Radio waves, in particular, have the largest wavelengths and the lowest frequencies and energies, while microwaves have shorter wavelengths than radio waves but still longer than visible light.
What are the job prospects for students with either a bachelor’s degree, master’s degree, or a doctoral degree in psychology? (
Psychology graduates can pursue a wide range of careers based on their highest degree attained. Bachelor's graduates often work in human resources or education, master's graduates can become therapists and school psychologists, and doctoral graduates can enter academia, research, and clinical practice.
Explanation:Job Prospects for Psychology Graduates at Different Degree Levels:
The job prospects for students with a degree in psychology vary depending on the level of education attained. Bachelor's degree holders can find careers as case managers, sales representatives, human resource personnel, and high school teachers, contributing to fields such as healthcare where knowledge of psychology is beneficial. With a master's degree, careers expand to include professional counselors, school psychologists, sport psychology consultants, and industrial organizational consultants. Students interested in a career in academia or in becoming practicing clinical psychologists should consider pursuing a doctoral degree, either a PhD for research-focused roles or a PsyD for clinical practice. A PhD opens doors to careers in academia, research, legal consultancy as forensic psychologists, or working in pharmaceutical companies as biopsychologists, among others. Those with a master's qualification can also teach at community colleges, while a doctorate is preferred for tenure-track positions at 4-year institutions.
Postdoctoral training programs are common for recent PhD graduates looking to develop their research skills and prepare for academic or specialized professional careers. Each degree level in psychology also lends itself to different opportunities beyond the traditional paths; for example, psychology undergraduates can leverage their education in becoming psychiatric social workers or nurses.
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The thermosphere protects the Earth from UV radiation coming from the Sun. Please select the best answer from the choices provided T F
Answer: False
Explanation:
The stratosphere is the layer of the atmosphere which shields the earth from the harmful incident rays like infrared and ultraviolet radiations. It consist of ozone layer near the altitude of 25 kilometers. The ozone molecules present in the stratosphere absorb the high energy UV rays which are capable of warming the inner atmospheric layers of the earth, may cause damage to the genetic material of the organisms and skin problems in humans.
On the basis of the above explanation, statement The thermosphere protects the Earth from UV radiation coming from the Sun is false.
Match the correct characteristic with each term
algae [i think B]
spore [i think C]
ciliate [i think D)
protozoan [i think A]
a. multicellular and unicellular photosynthetic protists
b. an animal-like protist
c. a reproductive cell that can produce a new organism without fertilization
d. a protozoan that moves by beating hair like parts that cover its cell
i am not a genius, i am a high school idiot please dont judge me if i am wrong. no one is perfect.
in the northern hemisphere, a wind blowning from the south to the north will cause a current of water in which direction
How could a diuretic reduce water reabsorption in the kidneys?
Inhibit ADH release
Stimulate excessive ADH release (I put)
Stimulate excessive thirst response
Inhibit thirst response
@carsonsi @luckycoins888,
Answer:
The correct answer will be option-Inhibit ADH release.
Explanation:
Diuretics are the substance usually drugs which helps in the diuresis or the production of more urine with a high amount of water and sodium ions. These diuretics are used in the clinical department to treat blood pressure.
The diuretics act by inhibiting the release of the vasopressin or anti-diuretic hormone (ADH) which helps in reabsorption of sodium and water from the urine. Since no ADH is released in the body, more water is released with the urine.
Thus, option-Inhibit ADH release is the correct answer.
Which immunoglobulin class has a dimeric structure with a secretory component? igm iga ige igg?
Devise a logical argument for why it is beneficial to use names for hurricanes over latitude longitude identification methods
The quality or condition of being intense
Answer: it is Intensity.
Explanation:
Intensity is the quality or condition of being intensed especially extreme state of of strength,force or energy. It also means severity or magnitude of a something and the effects it has.
Compare and contrast passive transport with active transport
Discuss one theory that has been proposed about the formation of the universe. Provide at least on piece of evidence to support this theory. The theory I chose was The Theory of Evolution.
Teacher comments: Your answer needs to focus on the formation of the universe, not biology.,
VO2max is
A. a test used to help people lose unwanted weight.
B. the highest level of oxygen consumption that can be sustained during exercise.
C. a measurement of how much blood the heart pumps during exercise.
D. not a good test of cardiorespiratory fitness.
In an experiment to study the effect of proteases on proteins, what is the MOST LIKELY effect of a major change in pH? A) increased rate of product formation B) a change in the substrate concentration C) the formation of new active sites of the enzyme D) a change in shape of the active sites of the enzyme
Answer: The correct answer is-
D) a change in shape of the active sites of the enzyme.
Enzymes are primarily protein molecules that drive various chemical reactions ( by increasing the rate of reaction) within the body of living organisms.
Protease is a protein digesting enzyme that works on specific pH ( such as pepsin works on pH 2 within stomach, which is highly acidic) .
Shape of an enzyme determine its function as they have active sites ( which have unique shapes) that fit in the substrate and carry out the chemical reactions.
A major change in pH can alter the shape of the active sites of the enzyme, making it inactive.
Thus, option D) is the right answer.
Final answer:
A major change in pH is most likely to result in a change in shape of the active sites of the enzyme (D), as enzymes have an optimal pH range and changes can affect their tertiary structure and catalytic activity.
Explanation:
In an experiment to study the effect of proteases on proteins, the most likely effect of a major change in pH is a change in shape of the active sites of the enzyme (D). Enzymes, which are proteins, have an optimal pH range in which they operate most effectively. Deviating from this optimal pH range affects the ionization of acidic and basic side groups, particularly those in the active site, altering the enzyme's tertiary structure and consequently its ability to bind to the substrate. This modification in structure can drastically reduce the enzyme's catalytic activity.
What is the limiting factor for the growth of trees in the tundra? question 1 options:
a.permafrost
b.low precipitation
c.insufficient minerals in bedrock
d.ph of soils
e.lack of sunlight?
The Neanderthal skeleton known as the "old man" showed evidence of many injuries over a long life. Several broken bones had healed, and almost all of his teeth had fallen out. What does this most likely indicate?
A. Neanderthal bones were very delicate and easily broken.
B. The Neanderthals practiced cannibalism.
C. The Neanderthals cared for the wounded and the elderly.
D. The Neanderthals ate a lot of sugary foods, causing tooth decay.
The given scenario indicates that the Neanderthals practiced cannibalism. The correct option is C.
What is cannibalism?Cannibalism, also known as anthropophagy, is the consumption of human flesh by humans. The term is derived from the Spanish name (Carbales, or Canbales) for the Carib, a West Indian tribe famous for cannibalism.
It has since been expanded to include individuals of a species who consume individuals of the same species. Anthropophagy literally means "man-eater," so it is limited to humans.
Archaeologists from France and the United States discovered clear evidence of cannibalism.
"This is conclusive evidence that at least some Neanderthals practiced cannibalism," said paleontologist and integrative biology professor Tim White.
Thus, as there are several broken bones had healed, and almost all of his teeth had fallen out means option B is correct.
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Name and describe a predator-prey relationship in the Coral Reefs.
Not in a specific Coral Reef it can be any
One prey-predator relationship in the reef is the eel-shrimp relationship. The eel predates on shrimps, crabs and small fishes. The eel hides and awaits its prey in the crevices of the coral reefs. They only emerge from the crevices in the night to hunt shrimps and other prey.
Identify the region of the humerus that articulates with the ulna. head capitulum medial epicondyle trochlea
Explain how the mucoliary elevator helps prevent foreign material from getting into the lungs
Cracks in a rock from exposure to pressure are an example of
which emotion has been particularly implicated in coronary heart disease?
a. hostility
b. sadness
1-A species of marine snails have either solid or striped shells. Scientists found that 57 percent of the snail population was striped, and 33 percent was solid. Sea birds are the main predator and when scientists studied their diet, they found that the birds ate more striped snails than solid snails. What could scientists conclude about the snails?
Birds preferred the solid snails. Rates of predation determine shell pattern. The shell pattern is due only to environmental variation. There may be other factors in the ecosystem that favor striped snails. Question 4(Multiple Choice Worth 3 points)
2- In 1989, the Exxon Valdez spilled nearly 42,000,000 liters of oil into Prince William Sound, Alaska. How would this spill be classified? Abiotic environmental Biotic environmental Genetic Pathogenic
Answer:
1. The correct answer would be "There may be other factors in the ecosystem that favor striped snails".
Solid snails are less hunted by sea birds as compared to the stripped snails. Therefore, we can conclude that the solid snail provides some kind of survival advantage to the population.
However, the percentage of solid snails as low as 33 percent. Thus, there must be some other environmental factors which favor the high percentage of striped snails.
2. The correct answer would be abiotic environmental.
In ecology, the abiotic component refers to the non-living component of the environment. For example, air, water, mountains, soil, minerals et cetera.
Similarly, oil being a chemical is a non-living thing.
Thus, it is an abiotic environmental factor.
Final answer:
Scientists might conclude that other factors in the ecosystem favor striped snails beyond merely predatory patterns, such as camouflage adaptation. The Exxon Valdez oil spill is classified as an abiotic environmental disaster.
Explanation:
Given the information that 57 percent of the snail population was striped and 33 percent was solid, and considering that sea birds ate more striped snails than solid, one could conclude there may be other factors in the ecosystem that favor striped snails. Since birds eat more striped snails despite their prevalence, it implies the birds do not prefer one type over the other based on appearance alone. Therefore, the pattern of predation does not seem to be the sole factor determining the shell pattern of these snails. Factors such as camouflage may play a role as indicated by research suggesting that snails with certain colorations may be better adapted to their native regions, possibly to avoid predation effectively.
Regarding the Exxon Valdez oil spill in 1989, since it was an oil spill, it would be classified as an abiotic environmental disaster. This term is used to describe a non-living chemical or physical factor in the environment that has a significant impact on living organisms and the ecosystem.
Resistance exercises stress what aspect of the body?
The tiny plates (holes) of bone material found in spongy bone are called
Energy plus matter is sufficient for continued development of order, complexity or growth.
a. True
b. False
SOS:
This answer is FALSE!!!
Hope this helps!!
After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body? Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being transported to her lungs. This is a result of aerobic respiration. Heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. Lactate is being transported to her liver. This is a result of aerobic respiration. Strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration. Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.
Frida's heavy breathing after exercise indicates her body is trying to pay off an 'oxygen debt' incurred by ATP production during vigorous muscle activity. This is possible due to anaerobic respiration wherein the body, demanding a high oxygen intake, continues with an escalated breathing rate post-exercise until the oxygen debt is repaid.
Explanation:Following intense exercise, the heavy breathing that Frida continues to experience is a result of her body trying to repay an oxygen debt. Oxygen debt is created during intense muscle activity, where ATP - the primary source of energy for cellular reactions - is produced without oxygen during muscle contraction. This is due to a process called anaerobic respiration.
To restore ATP and creatine phosphate levels, convert lactic acid to pyruvic acid, and in the liver, to convert lactic acid into glucose or glycogen, a substantial amount of oxygen is required. These processes all contribute to the increased breathing rate even after exercise has stopped. The body continues to demand a high intake of oxygen until the oxygen debt is repaid.
Thus, the scenario described represents an instance of anaerobic respiration following a strenuous exercise that led Frida's body to fall into an oxygen debt, thereby causing a high breathing rate, with lactate being transported to the liver after the exercise completed.
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What are the roles of mucus? Check all that apply.
A)to trap pathogens
B)to start fevers
C)to prevent pathogens from moving into deep tissues
D)to stimulate B-cells to make antibodies
E)to identify antigens
Answer:
A, C
Explanation:
mucus acts as a barrier! all of the other things mentioned (D and E) are caused by white blood cells.
The role of mucus is to trap pathogens and to prevent pathogens from moving into deep tissues. So, the correct options are A and C.
What is Mucus?When we're sick or feel like we have too much mucus, also known as snot, it might be bothersome, but the body needs it to keep healthy. Our lungs, throat, mouth, nose, and sinuses are lined with mucus, which is a sticky, gelatinous substance.
Its primary purpose is to trap germs, viruses, or allergens such dust or pollen in your nose and stop them from spreading throughout your body and making you sick. It is produced via membranes inside the nose and sinuses. The mucus will eventually move to the stomachs and leave the body, along with the chemicals it has caught. The role of mucus is to trap pathogens and to prevent pathogens from moving into deep tissues.
Therefore, the correct options are A and C.
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