The correct answer is: Induction, because this could be easily changed by changing the cell's environment.
Cell differentiation (process by which cell becomes specialized) can be under the influence of many factors:
• Cytoplasmic influence because cytoplasm can influence and control the behaviour of nuclear genes.
• Embryonic induction-changing the cell environment
For example: if cells from one region of the embryo are transplanted to some other region that transplant will most likely differentiate according to the chemical regulators of the surrounding cells.
• Proteins present in a cell influences its differentiation
• Cell-Cell interactions via cell-cell adhesion and signalling molecules.
Loss of muscle coordination results from the damage to what?
This is ataxia caused by a dysfunction of the cerebellum - a region of the brain involved in the assimilation of sensory perception, coordination, and motor control. Cerebellar ataxia can cause neurological problems such as: ... lack of coordination between organs, muscles, limbs, or joints.
The loss of muscle coordination is usually caused by damage to the cerebellum, a part of the brain responsible for coordination, precision and accurate timing of movements.
Explanation:The loss of muscle coordination primarily results from damage to the cerebellum. The cerebellum is a part of the brain that plays a vital role in motor control. It does not initiate movement, but it contributes significantly to coordination, precision, and the accurate timing of movements. Hence, any damage to the cerebellum can cause problems in balance, posture, and coordination of voluntary movements. Loss of muscle coordination, also known as ataxia, results from damage to the cerebellum in the brain. The cerebellum is responsible for coordinating voluntary movements and maintaining balance. Damage to this area can be caused by various factors, such as brain injury, stroke, or certain neurological disorders.
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Which of the following is a correct statement about nephrons?
Materials such as urea and water are filtered out of the blood in the glomerulus, but glucose is reabsorbed out of the blood by the renal tubules.
Materials such as glucose and water are reabsorbed out of the blood in the glomerulus, but urea is filtered out of the blood by the renal tubules.
Materials such as urea, water, and glucose are reabsorbed out of the blood in the glomerulus, and water and glucose are then filtered back into the blood by the renal tubules.
Materials such as urea, water, and glucose are filtered out of the blood in the glomerulus, and water and glucose are then reabsorbed into the blood by the renal tubules.
Answer:
Materials such as urea, water, and glucose are filtered out of the blood in the glomerulus, and water and glucose are then reabsorbed into the blood by the renal tubules.
Explanation:
A pair of Kidneys is the principal excretory organ of the humans. Each kidney is composed of millions of its unit called nephrons. The nephron is the functional unit of the kidney as it filters out urea, water, and glucose from the bloodstream through the process of ultrafiltration. The filtered out material is called nephric filtrate. The filtrate then moves various tubules, called renal tubules where important molecules such as glucose, ions and water are reabsorbed into the blood.
Materials such as urea, water, and glucose are filtered out of the blood in the glomerulus, and water and glucose are then reabsorbed into the blood by the renal tubules.
Explanation:The correct statement about nephrons is: Materials such as urea, water, and glucose are filtered out of the blood in the glomerulus, and water and glucose are then reabsorbed into the blood by the renal tubules.
The glomerulus filters materials like urea, water, and glucose out of the blood, while the renal tubules reabsorb water and glucose back into the blood. This process helps maintain proper balance of substances in the body. An example of this process occurs in the kidneys, where glucose, water, salts, ions, and amino acids needed by the body are filtered and reabsorbed in different parts of the nephron.
The w-4 form is completed by an individual when he or she first starts a new job. what does this form help to determine? brainly
The W-4 is a tax form that you complete and give to your employer (not the IRS) for federal tax (and some state tax) withholding. It tells your employer how much federal and/or state tax you wish to have withheld from each paycheck in a pay period. Your W-4 affects how big a refund you will get, or how much tax you will owe, when you file a tax return on Tax Day.
Answer:
The amount of money that should be withheld in federal taxes
Explanation:
A large portion of employers is in agreement with the federal government to take care of the tax remittance of their employees.
For It to be done, the employers gives out w-4 forms to be completed by all of its employees. The details supplied in the w-4 help is emploued by the IRS to estimate the sum that needed for remittance in federal tax. Each moment a salary is paid the deduction occurs automatically in relation to the tax payments.
Sseveral information viewed as operational expense can be tabled so as to decrease the sum paid as tax abd be eligible for tax refund from the IRS.
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Maria wakes up in the morning and takes a shower, drinks a glass of water, washes her clothes in the laundry machine, and then goes to work. Which of the following describes Maria's water use appropriately? Maria's water use in nonconsumptive. Maria's water use is consumptive. Maria uses no fresh water for these activities. Maria's water use leaves no ecological footprint.
The correct option is this: MARIA'S WATER USE IS CONSUMPTIVE.
Water use can be consumptive or non consumptive. Consumptive water use refers to the process of using water in such a way that the water used can not be returned to the water resources system.
The water that Maria used to shower, the one she drank and the one she used to wash her laundry are waste water, which are not returned to the central water resources system, thus, Maria's water use is consumptive.
Why do mitochondria and chloroplasts have small genomes?
The mitochondria and chloroplasts in eukaryotic cells are descendant from bacteria. Ancient eukaryotic cells ingested these bacteria and they became part of the larger cell structure. Mitochondria and chloroplasts work symbiotically with the cell to provide it with energy. Because these mitochondria and chloroplasts used to be separate bacteria living on their own, they had their own small circular DNA like all bacteria do. When they became part of the eukaryotic cell they retained this DNA. Mitochondria and chloroplasts also reproduce similar to bacteria and replicate their DNA the same way. In this way, all mitochondria and chloroplasts in the organism contain the same circular small genome, just like all nuclei in the organism contain the same spiral DNA.
Final answer:
Mitochondria and chloroplasts have small genomes due to their origin as endosymbiotic bacteria and the transfer of many genes to the host cell's nucleus.
Explanation:
Mitochondria and chloroplasts have small genomes due to their origin as endosymbiotic bacteria. These organelles were once free-living bacteria that were engulfed by a host cell and established a symbiotic relationship. Over time, many genes necessary for their function have been transferred to the host cell's nucleus, leading to a reduction in the size of their genomes. Mitochondrial genomes are typically around 16,000 base pairs in length and encode about 40 genes, while chloroplast genomes are larger at around 120,000-170,000 base pairs and encode around 100 genes. The reduced size minimizes the risk of harmful mutations, safeguarding the stability of these vital components. So, the small genomes of mitochondria and chloroplasts aren't a sign of weakness, but a result of their remarkable adaptation.
Which structures allow the flow of carbon dioxide into a plant?
The correct answer is: stomata
Stomata are microscopic openings-pores located on the surface of a leaf (sometimes on stems) necessary for gas exchange. The opening and closing of pores are regulated processes thanks to guard cells that surround stomata. Stomata allow carbon dioxide take in, for photosynthesis but they also help in reducing the water loss by closing when conditions are hot or dry.
Answer:
stomata is correct
Explanation:
Wind moves from an area of high pressure to an area of which type of pressure? A. low B. high C. equal D. cold
This is called the coriolis effect. So in the northern hemisphere, winds blow clockwise around an area of high pressure and counter-clockwise around low pressure.
UR ANSWER IS A.LOW
Answer;
A)LOW
Explanation:
Wind usually move from high-pressure areas to low-pressure areas. When the difference between the pressures is very huge, their will be faster movement of the air from the high to the low pressure side.
whenever there is High pressure in an area, it signifies that the atmospheric pressure of that particular are is high when compared to that of the surrounding areas. On the other hand when the pressure of a particular area is low, it signifies that the atmospheric pressure of that particular area is low or less when it is compared to that of the surrounding areas.
An instrument that is devices for the measurement of air pressure is called barometer.
The device contains mercury in the small basin, with an upside down glass tube located in the mercury. It operates in the sense that when the air pressure is increased, the pressure would force more mercury in the tube.
Lions tend to prey on primary consumers like zebras and gazelles. if there were a sudden decline in a population of lions, which ecological imbalance would most likely occur in the habitat?
There would be an increase in "Zebra" and "Gazelle" population. This is due to the fact that there wouldn't be as many lions to eat the zebras and gazelles, causing their repopulation to become more frequent.
Overgrazing, ecological imbalance in the habitat would be most likely to happen if there were a dramatic fall in the lion population.
Why Lions tend to prey on primary consumers?Zebras and gazelles are common victims of lions' predatory tendencies. Ecological imbalance in the habitat would be most likely to happen if there were a dramatic fall in the lion population.
Zebras, gazelles, antelopes, and giraffes, who graze on the producers, would be the main consumers. Primary consumers are preyed upon by secondary consumers like lions and cheetahs. Animals that devour secondary consumers for energy include hyenas and other tertiary consumers.
Lions' hunting contributes to the stability of other animal populations by regulating those of wildebeest, gazelles, and buffalo.
Therefore, these animals are kept from overgrazing, which can have an unfavorable impact on the ecology as a whole.
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Identify the correct sequence of the following events.
(a) Myosin generates a power stroke. (b) Ca+ binds to troponin. (c) ATP recharges the myosin head. (d) Troponin removes tropomyosin from G actin. (e) The sarcomere shortens. (f) Myosin binds to actin. Identify the correct sequence of the following events. (a) Myosin generates a power stroke. (b) Ca+ binds to troponin. (c) ATP recharges the myosin head. (d) Troponin removes tropomyosin from G actin. (e) The sarcomere shortens. (f) Myosin binds to actin.
d, b, f , c, a, e
e, c, a, b, d, f
f, a, c, e, d, b
b, d, f, a, e, c
a, b, c, d, e, f
b, f, a, c, e, d
The fourth option. B,d,f,a,e,c
Within any large animal population, there is a variety of traits. And between different animal populati. ons, there is a variety of traits A. never, always B. always, always C. sometimes, sometimes D. never, sometimes
the answer to your question is B
How does an "activated" receptor transfer information into the cell?a. by increased translation of the receptorb. by altering the ligand-binding site of the receptorc. through a conformational change of the receptord. by decreased phosphorylation of the receptor
The correct answer is: c. through a conformational change of the receptor
When a ligand binds to receptor that is located on a cell surface, signal has to be transported into the cell. Usually, intracellular domain of the receptor changes its “shape” (conformation) which may make it active as an enzyme or available for other molecules binding. For example, the receptor may turn on signaling molecule inside of the cell and activates further chain reactions. Consequently, the cell responses by changing its behavior or characteristics.
What area in the brain sets the respiratory rhythm?
The correct answer is: medulla oblongata.
This is a structure of central nervous system and it is located in the brainstem. Medulla oblongata is responsible for autonomic (involuntary) functions of the body such as breathing, heart rate and blood pressure. The medulla contains the cardiac, respiratory, vomiting and vasomotor centers.
Respiratory rhythm is regulated by groups of chemoreceptors that detect changes in the acidity of the blood and send signal to medulla oblongata in order to regulate it.
The medulla oblongata in the brain controls the respiratory rhythm.
Explanation:The area in the brain that sets the respiratory rhythm is called the medulla oblongata. The medulla oblongata is located in the brainstem and controls essential functions like breathing, heart rate, and blood pressure.
Within the medulla oblongata, there are specialized groups of neurons called the respiratory centers which regulate the respiratory rhythm. These centers receive input from sensors that detect the levels of carbon dioxide and oxygen in the blood, as well as signals from the respiratory muscles.
When the respiratory centers detect an imbalance in oxygen or carbon dioxide levels, they send signals to the muscles involved in breathing, causing them to contract or relax in order to adjust the breathing rate and depth.
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The process of circular motion in the Earth's mantle that causes the plates of the lithosphere to move is called A) conduction. B) convection. C) deposition. D) drifting.
The process of circular motion in the Earth's mantle that causes the plates of the lithosphere to move is called convection.
The answer is B. convection
Hope this helps :)
Answer:
B) convection
Explanation:
Here's why: Convection currents are warm and rise above cooler air, which causes the circular movement in the mantle. This makes the plates of the lithosphere move.
Why is it that bacterial ribosomes can begin translation before mRNA synthesis is completed, but eukaryotic ribosomes cannot? See Section 17.3 (Page 356) .
mRNA splicing occurs very quickly in prokaryotic cells.
Prokaryotic mRNAs are elongated differently from eukaryotic mRNAs.
In prokaryotes, transcription and translation take place in the cytoplasm.
Prokaryotic mRNAs are synthesized with ribosomes attached.
The correct answer is: In prokaryotes, transcription and translation take place in the cytoplasm.
Since there is no nucleus in prokaryotic cell (e.g. bacteria cell) transcription and translation are coupled processes that occur in the cytoplasm meaning that they occur simultaneously. Genetic material of the prokaryotes s called nucleoid and it is not located inside the membrane-bound organelle, thus it is in direct contact with ribosomes in the cytoplasm. Translation of messenger RNA by the ribosomes might occurred while mRNA is still being transcribed from DNA.
A nurse is caring for a client with alcoholism who has been admitted for detoxification. when should the nurse expect the effects of alcohol withdrawal to appear? what are the manifestations of acute alcohol withdrawal?
The severity of withdrawal can vary from mild symptoms however, they usually begin 6 to 24 hours after the last drink. These symptoms include delirium, hallucinations, and autonomic instability.
Which words or phrases identify common types of map projections? Check all that apply
conic ,equal-area,Mercator
A,D,E
Explanation: I just did the Quiz.
Answer:
a d e
Explanation:
When carbon is in the atmosphere,it's usually in the from of molecules of , which is a
Answer:
atom characters till 20
Explanation:
Why are there limited levels of consumers? For example, apex predators are usually tertiary or quaternary consumers. Why don’t we have many 5th, 6th, or 7th level consumers?
energy is lost at each level of consumption so it’s simply not efficient to be a 5th + level consumer
Predict: Of the molecules shown on the CHEMICALS pane, which do you think are reactants (ingredients) in photosynthesis? Which do you think are products?
Reactants: ___________________________ Products: ___________________________
reactants in photosynthesis are carbon dioxide, water, and sunlight.
products are oxygen and sugar(glucose)
hope this helps. ( ' _ ' )
Reactants: Carbon dioxide (CO₂), water (H₂O), and light energy.
Products: Glucose (C₆H₁₂O₆) and oxygen (O₂).
In photosynthesis, plants convert carbon dioxide, water, and light energy into glucose and oxygen. The reactants, which are the ingredients needed for the photosynthesis process, are carbon dioxide, water, and light energy. Carbon dioxide is taken in from the atmosphere through small openings called stomata in the plant's leaves. Water is absorbed from the soil through the plant's roots. Light energy is absorbed by chlorophyll, a pigment found in the chloroplasts of plant cells. These reactants undergo a series of complex chemical reactions in the chloroplasts to produce glucose and oxygen.
Glucose is the primary product of photosynthesis, and it is a type of sugar that serves as an essential source of energy for the plant. It can be used immediately by the plant for energy or converted into starch for storage. Oxygen is the byproduct of photosynthesis, and it is released back into the atmosphere through the stomata. Oxygen is essential for most living organisms on Earth as it is used in cellular respiration, the process by which cells generate energy from glucose.
In summary, carbon dioxide, water, and light energy are the reactants that fuel the process of photosynthesis, while glucose and oxygen are the products that are formed as a result of this process.
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The first 22 chromosomes contain hundreds of genes in the same positions and sequence. If the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is
The gene pair is identical.
Match each cell organelle with its description
Answer:
Attached diagram shows how they match up;
Explanation:
Centrioles - cylindrical tubular organelles that are involved in cell division
Endoplasmic reticulum - tube-like structures that are the site of protein and lipid synthesis
Chloroplasts - contain chlorophyll and are the site of photosynthesis
Lysosome - digestion organelles that break down biomolecules into smaller molecules
Mitochondria - the site of cellular respiration and energy production
Answer:
The correct answer will be:
1. Centrioles- cylindrical tubular organelles that are involved in cell division
2. Endoplasmic reticulum-tube-like structures that are the site of protein and lipid synthesis
3. Chloroplasts- contain chlorophyll and are the site of photosynthesis
4. Lysosome- digestion organelles that break down biomolecules into smaller molecules
5. Mitochondria- the site of cellular respiration and energy production
Explanation:
Centrioles: are the cylindrical organelles occur in pairs found near the nucleus in animal cells. They function in the development of spindle fibers during cell division.
Endoplasmic reticulum: are tube like structures present in the cells. They are of two types rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum (SER). Protein synthesis takes place in RER while lipid synthesis take place in SER.
Chloroplasts- are double membrane bound organelles which performs the function of absorbing sunlight and performing the photosynthesis.
Lysosomes- are suicidal bags of cell because they store hydrolytic enzymes which can degrade the large molecules like DNA, proteins and many.
Mitochondria- double membrane structure which are associate with respiration and making ATP molecules from the oxidation of glucose via ETS.
Axon diameter and degree of myelination determine nerve impulse conduction velocity.
True
False
The answer is true.
The myelin sheath covers many axons in central nervous system (CNS) ( by oligodendrocytes) and in the peripheral nervous system (PNS) (by Schwann cells). Their function is to insulate axons and to increase the speed at which information travels from one nerve cell to another.
Nerve conduction velocity is specific to each individual and depend largely onboth an axon's diameter and the level to which that axon is myelinated.
When using ___________, finalists are banded together into rank-ordered categories. select one:
a. ranking
b. random selection
c. clinical prediction
d. grouping?
D.grouping ?
im not sure.. but ihope it helps u dear :)
_____ is an essential lung-coating substance that keeps air sacs from collapsing.
Hey! Can someone please help me with these 2 questions? Thanks!
Hey your answers are:
1. C
2.D
Answer:
Explanation:
Option C is Corpus collasum
Next is cerebrum
What question would the nurse consider when determining the ability of a patient diagnosed with schizophrenia to ensure his or her own personal safety?
Does the patient appear to have mobility problems?
hope this helps :)
Complete Figure 9-1 by inserting the correct terms in the rock cycle diagram.
A. Sediments
B. Sedimentary Rock
C. Magma
D. Igneous Rock
Answer:
(A) Sediments
(B) Sedimentary Rock
(C) Magma
(D) Igneous Rock
Explanation:
Sediments are defined as those broken particles that are produced from the combination of weathering and erosion processes that occurs on the earth's surface. These are of various sizes ranging from clay particles to large boulders. Sedimentary rocks refer to those that are formed due to the sedimentation, compaction as well as lithification of deposited sediments. For example, Sandstone, Mudstone, and Shale. Magma is defined as the hot molten material that forms due to the melting of the rocks under the surface of the earth. This magma when comes out to the surface, then it is known as lava. This magma is of two types namely the basaltic and the felsic magma. Igneous rocks are those rocks that are formed due to the cooling and solidification of magma. For example, Granite, Basalt and Diorite.If a cell is going through mitosis and it has 16 chromosomes, how many chromosomes will the daughter cell have?
A. 8
B. 32
C. 16
D. 10
I think the daughter cell will have A. 8 cells
Lana is about the right weight for her age and height. nevertheless, she is so preoccupied by her fear of becoming overweight that whenever she goes on an eating binge, she purges the excessive food intake by self-induced vomiting. it is likely that lana suffers from:
Answer:
Lana is suffering from bulimia, or Bulimia nervosa.
Explanation:
Bulimia nervosa refers to an eating ailment, which is featured by binge eating succeeded by purging. Consuming a bigger quantity of food in shorter time duration is considered as binge eating, and the attempts to get rid of the food eaten is known as purging. The act of purging can be done by taking laxatives or by vomiting. Bulimia nervosa is a mental health condition.
PLZZ HELPS I'M TIMED!!
Which option distinguishes the governmental agency in charge of the aspect of farming described in the following scenario?
A rancher in Wyoming wishes to increase the number of cattle in his herd, but he owns too little pastureland. He would like to graze his new cattle on the adjacent federal rangeland.
A.) Bureau of Land Management
B.) Food and Drug Administration
C.) Environmental Protection Agency
D.) United States Department of Agriculture
I would say A becuase the rancher wants to use land that isn't his for his cattle.
Answer:
The correct answer is A. The governmental agency in charge of the aspect of farming described in the scenario is the Bureau of Land Management.
Explanation:
The Bureau of Land Management is an agency of the US Department of the Interior. The agency is responsible for managing around 1,020,000 km² of public lands, land owned by the state, as well as raw materials under a total of around 2,800,000 km² of public lands. Most of those tracts of land are in the western US, including Alaska. The agency's objectives include maintaining the health, diversity and productivity of the public lands for the use and benefit of Americans, also in the future.