Answer:
d
Explanation:
In pns nerve fiber regeneration, how is a growing axon directed to its original destination?
In PNS nerve fiber regeneration, the growing axon is directed to its original destination because it grows within a regeneration tube.
What is PNS nerve fiber regeneration?The peripheral nerve system (PNS) regeneration refers to the formation of new nerve cells or their components due to injury or damage.
The PNS nerve fiber regeneration is associated to the reformation of new axons (part of neurons that bind to other motor cells) after these damages.
In conclusion, in PNS nerve fiber regeneration, the growing axon is directed to its original destination because it grows within a regeneration tube.
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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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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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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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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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Muscles are named according to their:____________.
i. location or number of heads.
ii. function or action.
iii. origin or insertion point.
iv. size or shape.
v. all of the choices are correct
Muscles are named according to their size, location, function, origin or insertion point. The location of muscles are named on the bases of their size and location such as sternocleidomastoid which is named after its origin ( on ster-num and clavicle) and insertion ( mastoid process).
Naming of the muscles after its function that allows a person to move speak and chew , they can control heartbeat , breathing and digestion.Skeletal muscles are attached to bones and helps in its movement , and perform involuntary function and cardiac contractions.
There are more than 650 muscles in human body such as smooth muscle, they perform variety of vital function.
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In __________ organisms, the primary function of a gene in a cell is to participate in regulating the body as a whole and not to responding to the cell's immediate environment. group of answer choices
In Multicellular organisms, the primary function of a gene in a cell is to participate in regulating the body as a whole and not to responding to the cell's immediate environment. group of answer choices.
Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. Gene expression in eukaryotic cells is regulated by repressors as well as by transcriptional activators. Like their prokaryotic counterparts, eukaryotic repressors bind to specific DNA sequences and inhibit transcription. Gene expression is primarily controlled at the level of transcription, largely as a result of binding of proteins to specific sites on DNA.
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What happens to acetylcholine (ach) after it is released from the presynaptic membrane?
The acetylcholine (ach) gets broken down and the choline is reabsorbed.
The presynaptic membrane formed by the terminal button of an axon which faces the cell membrane of neuron or muscle fiber. Axon may have infrequent branches which are called axon collaterals. Thus, axons and axon collaterals terminate in many short branches or telodendria.
The release of ACh transpire through Ca2+ stimulated docking, fusion, and fission of the vesicle with the nerve terminal membrane. However, the ACh, is an enzyme in the synaptic cleft as well as, ACh diffuses across the synaptic cleft.
When acetylcholine (ACh) is released from the nerve endings upon action potential-driven depolarization, triggers postsynaptic response.
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Dab most likely inhibits which reaction?a. phosphorylation of glucose. phosphorolysis of glycogen. export of lactate from cellsd. hydrolysis of glycogen
Dab most likely inhibits phosphorolysis of glycogen reaction.
What is phosphorolysis?Inorganic phosphate acts as the attacking group during phosphorolysis, which is the cleavage of a molecule. It's comparable to hydrolysis.A reversible process akin to hydrolysis where phosphoric acid behaves like water and produces phosphate as a byproduct.It's comparable to hydrolysis. Glycogen phosphorylase, which catalyzes the assault of inorganic phosphate on the terminal glycosyl residue at the nonreducing end of a glycogen molecule, is an example of this.The difference is that while reactions involving hydrolysis use water to split larger molecules into smaller ones, reactions involving phosphorolysis use phosphate to achieve the same result. The primary enzyme in utilizing the glycogen reserves in the muscle and liver is known as glycogen phosphorylase. It catalyzes the sequential phosphorolysis of glycogen to liberate glucose-1-phosphate.Learn more about phosphorolysis here:
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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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The afferent arteriole is _____ in diameter than the different arteriole, so that glomerular _____ is relatively high.
The afferent arteriole is larger in diameter than the different arteriole, so that glomerular blood pressure is relatively high.
The afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems. They play an important role in the regulation of blood pressure as a part of the tubuloglomerular feedback mechanism.
The afferent arterioles branch from the renal artery, which supplies blood to the kidneys. The afferent arterioles later diverge into the capillaries of the glomerulus.
The glomerulus (plural glomeruli) is a network of small blood vessels (capillaries) known as a tuft, located at the beginning of a nephron in the kidney. Each of the two kidneys contains about one million nephrons.
The tuft is structurally supported by the mesangium (the space between the blood vessels), composed of intraglomerular mesangial cells. The blood is filtered across the capillary walls of this tuft through the glomerular filtration barrier, which yields its filtrate of water and soluble substances to a cup-like sac known as Bowman's capsule. The filtrate then enters the renal tubule of the nephron.
The glomerulus receives its blood supply from an afferent arteriole of the renal arterial circulation. Unlike most capillary beds, the glomerular capillaries exit into efferent arterioles rather than venules. The resistance of the efferent arterioles causes sufficient hydrostatic pressure within the glomerulus to provide the force for ultrafiltration.
The glomerulus and its surrounding Bowman's capsule constitute a renal corpuscle, the basic filtration unit of the kidney. The rate at which blood is filtered through all of the glomeruli, and thus the measure of the overall kidney function, is the glomerular filtration rate.
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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:
What is a type of ecological experiment that takes advantage of a natural disturbance and for which there is no ability to regulate independent variables?
The ecological experiment is natural based, as their name suggests, are not controlled by anyone. These are natural disturbance to an environment. The ecosystem itself is an experiment, for instance, following a natural disaster, a shift in the climate, or the introduction of exotic species.
Disturbances are significant natural forces that shape the dynamics of forest ecosystems and significantly influence their composition and functionality. As a result, shifting disturbance patterns may significantly affect forest ecosystems, potentially having long-lasting effects on their biological richness and ability to deliver ecosystem services to the general public.
Ecosystem management necessitates a thorough comprehension of the effects of natural disturbances in order to offer ecosystem services to society while promoting biodiversity.
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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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In cells that are not dividing, chromosomes uncoil to form a tangle of fine fibers known as_________.
The correct word is chromatin.
What are chromatins?Chromatin is a mixture of decondensed chromosomes and proteins. The chromosomes are responsible for storing genetic information and transferring such from one generation to the other.
When cells are in active divisions, the chromatin condenses and the tangle of fine fibers become visible under the microscope as chromosomes.
Once active divisions are over, the chromosomes decondense back to their natural states.
Thus, in cells that are not dividing, chromosomes uncoil to form a tangle of fine fibers known as chromatin.
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The _____ reflects the electrical impulse of the heart emanating from the atria.
The P wave reflects the electrical impulse of the heart emanating from the atria.
This P wave is a summation wave which is an electrical activity that comes from successive signaling from multiple points, by causing wave-like contractions. These multiple points contain pacemaker cells that generate action potentials independently of the CNS.
The P wave is the first wave found on the electrocardiogram of a healthy individual. P wave render the voltage, which specifically triggers atrial muscle cell contraction. It is accompanied by the PR interval, the QRS complex, the ST interval, and finally the T wave.
When there is a rapid or slow heartbeat then it is easy to recognize it by looking at the intervals between the T wave and the P wave.
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Answer:
SA notes
Explanation:
The current preference for flat rather than tall organization structures is mainly due to a flat organization's ability to:________
The current preference for flat rather than tall organization structures is mainly due to a flat organization's ability to respond quickly to customer demands.
What is an organizational structure?Organizational structure is a system which gives an idea of how certain activities should be performed with the aim of achieving the objectives of an organization.The activities performed can be related to rules, regulations and responsibilities.The various types of organizational structures are Divisional, Network, Horizontal or flat, Hierarchical, Functional organizational structures, etc.In a vertical/ tall organizational structure, the CEO is at the top with various managements under him. It has large number of hierarchy levels.Whereas in horizontal/ flat organization, there is fewer management and mostly the employees make the decision. The levels of hierarchy are less in this type of organization allowing employees to make decisions to customer’s demands.Learn more about Organizational structure here:
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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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Any estimate of the heritability of a particular trait is specific to?
Any estimate of the heritability of a particular trait is specific to one population in one environment.
The degree to which genetic variations among persons may adequately explain the variations in their attributes is known as heritability. Characteristics like height, eye color, and IQ are examples of traits, as are illnesses like schizophrenia and autism spectrum disorder.Heritability, which is denoted by the statistic h2 in science, describes the proportion of a trait's variation that can be attributable to genetic variation. An estimation of a trait's heritability is particular to one population in a particular setting, and it might alter over time as conditions change.Between 0 and 1 heritability estimates are given. A heritability near to zero indicates that environmental variables, rather than genetic differences, account for the majority of variation in a trait among individuals. Due to their lack of genetic control, traits like religion or spoken language have a heritability of zero. A heritability near to one means that genetic differences account for almost all of the variability in a characteristic, with little to no influence from environmental factors. High heritability is a characteristic of many diseases, including phenylketonuria (PKU), which is brought on by variations (also known as mutations) in a single gene.learn more about heritability here: https://brainly.com/question/6965635
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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
If you inoculate and incubate a pr-glucose and 24 hours later you observe that the medium has turned yellow, and that there is a bubble in the durham tube, you conclude that the bacteria are?
If you inoculate and incubate a pr-glucose and 24 hours later you observe that the medium has turned yellow, and that there is a bubble in the durham tube, you conclude that the bacteria are glucose + and gas +.
If an organism is skillful of fermenting the sugar glucose, then acidic result are seen and the pH indicator turns yellow. Escherichia coli is capable of fermenting glucose as are Proteus mirabilis (far right) and Shigella dysenteriae (far left).Bacteria can utilize a much greater variety of sugars, but given a choice prefer glucose. All bacteria produce gas when they ferment. That is indicated by a color change of a phenol red glucose broth from red to yellow.
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The article explains that the plant tissue works like a one-way straw. Explain what this comparison means
Answer:
in all plants roots act like straws to absorb salts and mineral salts from the soil and this is why they work like one way strawsEnzymes are catalysts in reactions. what statements describe functions of enzymes?
Enzymes are catalysts in reactions. The following statements describe functions of enzymes:-
Enzymes assist in speeding up chemical reactions in the body.Enzymes function by reducing the activation energy of a reaction, hence increasing the rate of reaction. This is achieved through binding to a substance known as the substrate. The substrate binds to the active site of an enzyme. The active sites are clefts located on the surface of an enzyme and are made up of of amino acids from different parts of the polypeptide chain brought together in the tertiary structure of the folded protein. The substrate binds to the active site through noncovalent interactions which include hydrogen bonds, ionic bonds and hydrophobic interactions. Enzymes are not destroyed during the process, thus, a cell can reuse each enzyme constantly.To learn more about Enzymes here
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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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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.
Which of the following is the most likely way to catch the norovirus?
A. Eating foods after not washing your hands
B. Eating lunchmeat that has been left out too long
C. Eating shellfish that has not been cooked
D. Eating vegetables that have been in contact with manure
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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Sudoriferous glands are under the control of the _____ nervous system and are located in the dermis
Sudoriferous Glands are under the control of the sympathetic nervous system and are located in the dermis.
Sudoriferous Glands are also called as sweat glands which are of two types Eccrine or Apocrine. These two reside within the dermis and consists of secretory cells and central lumen into which material is secreted.
The Sympathetic Nervous system is one of the three division of the Automatic Nervous System arises near the middle of the spinal cord in the intermediate nucleus .
Sudoriferous Gland are small tubular structures that is helpful in producing sweat. These are exocrine gland and produces sweat on epithelial surface through duct.
Eccrine are present everywhere except ear canal, prepuce, labia minora and smaller than apocrine and excrete directly onto the surface of the skin and its proportion decreases with the age.
Apocrine are found in the armpit, areola in the ear and the eyelids. the secretory portion is larger than the eccrine glands and secrete swear into the pilary canal of the hair follicle.
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A client has undergone a left hemicolectomy for bowel cancer. Which activities prevent the occurrence of postoperative pneumonia in this client?
The measurable activities like Coughing, breathing deeply, frequent repositioning, and using an incentive spirometer are for preventing postoperative pneumonia. Hence, Option C is correct.
What is postoperative pneumonia?
Pneumonia is caused by Streptococcus pneumoniae and Haemophilus influenzae leads to infection of the alveoli of lungs.
This type of pneumonia is a rare medical condition happens after local anesthesia has been given to a patient.
The primary causes are the amount of anesthesia given, poor handling of chemicals, the type of anesthesia given to the patient.
To prevent the occurrence of postoperative pneumonia are medicating the patient and use of incentive spirometer. Hence, Option C is correct.
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Your question was incomplete, so the probable question was
A client has undergone a left hemicolectomy for bowel cancer. Which activities prevent the occurrence of postoperative pneumonia in this client?
A. Administering oxygen, coughing, breathing deeply, and maintaining bed rest
B. Coughing, breathing deeply, maintaining bed rest, and using anincentive spirometer
C. Coughing, breathing deeply, frequent repositioning, and using anincentive spirometer
D. Administering pain medications, frequent repositioning, andlimiting fluid intake
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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