The gas exchange during cellular respiration involves _____ moving into cells and ____ moving out of cells. The gas exchange during cellular respiration involves _____ moving into cells and ____ moving out of cells. methane; nitrous oxide nitrous oxide; oxygen oxygen; carbon dioxide carbon dioxide; oxygen
Answers
Answer:
The gas exchange during cellular respiration involves oxygen moving into cells and carbon dioxide moving out of cells.
Explanation:
"...the process by which organisms combine oxygen with foodstuff molecules, diverging the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water." - Britannica
The gas exchange during cellular respiration involves oxygen moving into cells and carbon dioxide moving out of cells.
During gas change oxygen actions from the lungs to the bloodstream. on an equal time, carbon dioxide passes from the blood to the lungs. This happens within the lungs among the alveoli and a network of tiny blood vessels known as capillaries, which might be located in the walls of the alveoli.
Three strategies are critical for the switch of oxygen from the out of doors air to the blood flowing through the lungs: airflow, diffusion, and perfusion. ventilation is the manner through which air moves in and out of the lungs.
The lungs and respiratory system permit us to respire. they create oxygen into our bodies (called a concept, or inhalation) and send carbon dioxide out (referred to as expiration, or exhalation). This alternate of oxygen and carbon dioxide is referred to as respiratory.
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Related Questions
Help asppp!!
Based on early observations, including those in the
table below, scientists proposed that the continents
were once together but had drifted apart. However,
scientists could not identify anything that would make
them move. New technology, such as a worldwide
network of earthquake detectors, led to new
observations. Then scientists proposed that Earth's
surface was divided into tectonic plates that would
move as a result of forces linked to earthquakes and
the formation of new ocean floor.
Early Observations
Coastlines of Africa and South
America seem to fit together.
Similar fossils have been found in
both continents.
New Observations
Most earthquakes and volcanoes
occur along certain lines.
A mountainous ridge down the
center of the Atlantic Ocean
formed new ocean floor.
How are continental drift and plate tectonics related?
O Continental drift was the hypothesis that led to the
theory of plate tectonics.
O Continental drift was the theory that became the law
of plate tectonics.
O The theory of continental drift was modified based
on the new observations to become the theory of
plate tectonics.
O The theory of continental drift was proven false, and
the law of plate tectonics took its place.
Answers
sigma: which domain melts the dna of the promoter within and a little downstream of the -10 element?
Answers
The promoter's DNA is melted by 2,3 sigma within and a short distance downstream of the -10 site. The highly conserved areas 1.2, 2.1, 2.2, 2.3, and 2.4 that are present in the 2 domain are crucial for melting promoter DNA, recognising the 10 element, and binding to the RNAP ′ clamp (Feklistov and Darst, 2011; Zhang et al., 2012).
The core promoter can be recognised by bacterial RNA polymerase homoenzyme. RNA polymerase can attach to a particular promoter sequence (yellow) in DNA thanks to the sigma subunit. A transcription pause is caused by the E. coli RNA polymerase's sigma factor sigma 70 at an early stage of elongation, where it also functions to allow the phage lambda gene Q transcription antiterminator to work.
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9. The human male reproductive system is
represented to the left. Which structure produces cells
that have the potential to become gametes?
A
а. А
b. B
C С
d. D
Answers
Answer:
A. A
Explanation:
It's the testicles
8. This chemical equation represents a
reaction.
Fe(s) + CuSO4(aq)
FeSO4(aq) + Cu(s)
Answers
Answer:
single replacement reaction
Which of the following statements about habitat fragmentation is false?
(A) Small, isolated patches lose species more rapidly than larger, isolated patches.
(B) Isolated patches lose species more rapidly than patches of similar size that are near other patches.
(C) Habitat fragmentation results in lower species richness in the fragments than in the original habitat.
(D) Human-dominated habitat surrounding patches increases the colonization rate of patches.
(E) Connecting fragments with dispersal corridors enhances colonization.
Answers
The statements habitat fragmentation results in lower species richness in the fragments than in the original habitat and Small, isolated patches lose species more rapidly than larger, isolated patches are false.
What do you mean by habitat fragmentation?Habitat fragmentation describes the emergence of discontinuities in an organism's preferred environment, causing population fragmentation and ecosystem decay.
Fragmentation happens when parts of a habitat are destroyed, leaving behind smaller unconnected areas. This can occur naturally, as a result of fire or volcanic eruptions, but is normally due to human activity.
Habitat fragmentation can be caused naturally, however, the leading cause of habitat fragmentation are human activities and development through land clearing, deforestation, and habitat destruction.
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Eric is observing various types of eggs and trying to correlate them with the mode of fertilization. One of the eggs has a calcareous shell with a large amount of yolk. Another is wet with a moderate amount of yolk and with many coatings of jelly above it. What could be the mode of fertilization of the animals to which they belong?
Answers
The mode of fertilization of the animals to which they belong is: Animals with calcareous eggs with a large amount of yolk have internal fertilizationAnimals with wet eggs with a moderate amount of yolk and with many coatings of jelly above it have external fertilization.
The animals with calcareous eggs with a large amount of yolk have internal fertilization while the animals with wet eggs with a moderate amount of yolk and with many coatings of jelly above it have external fertilization.
The fertilization mode is a significant determinant of the type of egg and its surrounding environment. As such, fertilization modes can be distinguished based on whether they occur inside or outside the female's body.
The fertilization mode can be determined by the type of egg and its surrounding environment. Fertilization occurs inside the female's body in internal fertilization, while it occurs outside the female's body in external fertilization.
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Active Transport Active transport moves substances from a more d_______ solution to a more c (against the c This requires e solution g from Active transport allows m__________ to be absorbed into plant root hairs from very d solutions in the soil. It also allows sugar molecules to be absorbed from ________ concentra- tions in the gut into the blood which has a higher sugar concen- tration. Sugar molecules are used for cell r
Answers
Active transport moves substances from a more dilute solution to a more diluted solution (against the concentration gradient). This requires energy from the cell. Active transport allows mineral ions to be absorbed into plant root hairs from very dilute solutions in the soil. It also allows sugar molecules to be absorbed from lower concentrations in the gut into the blood, which has a higher sugar concentration. Sugar molecules are used for cell respiration and other cellular processes.
Active transport allows minerals to be absorbed into plant root hairs from very dilute solutions in the soil. It also enables sugar molecules to be absorbed from lower concentrations in the gut into the blood, which has a higher sugar concentration. Sugar molecules are used for cellular respiration and other metabolic processes in cells.
in the context of life and death decisions, there is a distinction between killing and letting die. which of the following is classified as letting die?
Answers
I just looked it up. Hope this helps :)
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Where can you find the DNA in a eukaryotic cell? Where can you find the DNA in a prokaryotic cell?
Answers
Answer:
first question:The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms
:second question: The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane.
What concept explains the evolution of complex eyes? (A) Complex eyes evolved through a series of steps that benefited the eyes. (B) Mollusc eyes evolved from a different ancestor than vertebrate eyes. (C) Through evolutionary history, eyes lose function of vision. (D) Mollusc eye's evolution was dependent on vertebrate eye evolution.
Answers
Through a sequence of developments that benefitted the eyes, complex eyes emerged. Complex eyes evolved through a series of steps that benefited the eyes.
Choice A is the appropriate response about Complexed Eyes
Through a sequence of developments that benefitted the eyes, complex eyes emerged.
Eyes that can discern between colors and forms. Many creatures, especially predators, have extensive binocular vision fields that allow them to perceive depth. Other creatures, especially prey animals, have eyes placed where they can see the most, as the monocularly-sighted horses and rabbits.How do complicated eyes function?Compound eyes, which are curved arrays of tiny lenses, are found in most insects. The mosquito's brain combines all of the pictures captured by each small lens to create a single image that allows it to see peripherally without moving its head or eyes.To learn more about Complex Eyes, Click the Links.
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you inject a dye into an animal cell and observe that it moves into adjacent cells. this would occur through
Answers
When you inject a dye into an animal cell and observe that it moves into adjacent cells, this would occur through Gap junctions.
Gap junctions are a type of intercellular junction that allows the cells to communicate with one another by exchanging materials such as ions and small molecules. They're found in virtually all animal tissues, and their functions range from synchronizing the beating of heart cells to allowing nerve cells to signal one another.
The cells must have direct contact or proximity to form these gap junctions. These gap junctions allow for fast and coordinated signaling among groups of cells. As a result, they're essential in the development of multicellular organisms because they allow cells to coordinate their activities so that they can act as a single unit. Thus, it can be concluded that the injection of dye into an animal cell and observing it move into adjacent cells occur through Gap junctions.
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complete the sentences describing the role of the central chemoreceptors in the control of respiration. hydrogen ions ; increase the cerebrospinal fluid ; decrease carbon dioxide; oxygen medulla oblongata; 1. The central chemoreceptors are located in the ventral part of the _____ . They monitor the ___ of the brain. The pH of the brain is influenced by blood levels of ____ , which easily crosses the blood- brain barrier by diffusion. If blood levels of this compound increase, so too do the levels in the brain. 3. In the ____ of the brain, this compound combines with ___ to form carbonic acid which quickly dissociates, releasing hydrogen ions and bicarbonate ions. 4. The central chemoreceptors respond to the _____ released during this reaction. The response to increased PCO2 and decreased pH is _____breathing rate and tidal volume. hypothalamus pH water
Answers
1. The central chemoreceptors are located in the ventral part of the medulla oblongata. They monitor the pH of the cerebrospinal fluid.
The pH of the brain is influenced by blood levels of carbon dioxide, which easily crosses the blood-brain barrier by diffusion. If blood levels of this compound increase, so too do the levels in the brain.
3. In the cerebrospinal fluid of the brain, this compound combines with water to form carbonic acid which quickly dissociates, releasing hydrogen ions and bicarbonate ions.
4. The central chemoreceptors respond to the hydrogen ions released during this reaction. The response to increased PCO2 and decreased pH is increasing breathing rate and tidal volume.
Central chemoreceptors play a vital role in monitoring and maintaining proper pH levels in the brain. They detect changes in the pH caused by varying levels of carbon dioxide in the blood. When there is an increase in carbon dioxide, it crosses the blood-brain barrier and reacts with water in the cerebrospinal fluid, forming carbonic acid. This acid dissociates into hydrogen ions and bicarbonate ions, which triggers the central chemoreceptors.
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Edmentum unit 3 biology 1 Post test Interdependence of ecosystems
Answers
The term "interdependence of ecosystems" describes how many living things and their physical surroundings depend on one another in order to survive. Living things engage in complicated interactions with one another and their physical surroundings in an ecosystem.
What does ecosystem service interdependence mean?Interdependence in ecology refers to the idea that species populations within an ecosystem depend on one another. The populations of other species in the same ecosystem will alter if the population of one species increases or decreases.
What are some examples of ecological interdependence?For instance, many animals depend on plants for shelter or for nesting, and both plant and animal life depend on abiotic elements like water, nutrients, light, and optimum temperatures. Herbivorous animals also depend on plants for nourishment.
What are the three types of interdependence that exist between living things?Provide examples of each of the three types of interdependence that exist among living things. A bird eating from an alligator's teeth is an example of mutualism. An orchid that is living commensally in a tree limb A mosquito biting your arm is parasitism.
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Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman
Answers
If the left side of the beaker has a greater concentration of urea than does the right side, what statement is true?A. Water will leave the left side of the beaker by osmosis and join the right side of the beaker.
B. Water will be exchanged between both sides of the beaker, but there will be no net change in the amount of water on either side.
C. Water will be exchanged from the left side of the beaker to the right by facilitated diffusion.
D. Water will leave the right side of the beaker by osmosis and join the left side of the beaker.
Answers
If the left side of the beaker has a greater concentration of urea than the right side, then A, water will leave the right side of the beaker by osmosis and join the left side of the beaker.
Why does osmosis occur in this instance?Osmosis occurs in this instance because there is a difference in the concentration of urea between the left and right sides of the beaker. Urea is a solute that cannot pass through the selectively permeable membrane, but water molecules can.
This is because water moves from an area of low solute concentration to an area of high solute concentration in order to equalize the solute concentration on both sides of the membrane.
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Diatoms, such as members of the genus navicula, belong to which major lineage of eukaryotes?.
Answers
Diatoms, such as members of the genus navicula, belong to stramenopila major lineage of eukaryotes.
Stramenopile:- Stramenopiles are group of organisms, that consists of stiff tripartite external hairs and flagella. Stramenopile is also known as heterokonts. It has both photosynthetic and nonphotosynthetic cells. Diatoms, chrysophytes, brown algae and some protozoa are included in the stramenopila kingdom. As stramenopiles are neither fungi, animals nor plants, they are eukaryotes.
Navicula:- Navicula is a genus of diatom algae, whose cells are boat-shaped.
Thus we can conclude that, diatoms such as members of the genus navicula, belong to stramenopila major lineage of eukaryotes.
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What goes first with organ ,epithelial tissue ,epithelial cell and organ system
Answers
Epithelial tissue lines the organs of the body, including the lungs, heart, and stomach.
Is epithelium an organ system?Epithelium, endothelium, and mesothelium are three types of epithelial cell sheets that line your internal organs, and body space and form the outer layer of your skin. Epithelium generally lines alleyways that are open to the external environment, such as your respiratory area and digestive system.
Glandular epithelial tissue is also established as part of the glands, including hormone-manufacture organs like the liver, pancreas, and spleen. Epithelial tissues are widespread all around the body. They form the covering of all body surfaces.
So we can conclude that Simple epithelial tissues are normally classified by the shape of their cells.
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Which of the following is NOT a Fungi?
yeast
slime mold
penicillium
cremini mushroom
if you get right you get brainlist and points
Answers
Answer: slime mold
Explanation: you may not think it but that's a organism not a fungi
which of the following methods should the farmers choose to minimize the cost for efficient pest removal while still reaching their goal of reducing the amount of pollution in the river? responses using physical traps using physical traps applying a single dose of pesticides applying a single dose of pesticides planting genetically modified crops planting genetically modified crops introducing a natural predator to feed on the pests
Answers
The method that farmers should choose to minimize costs for efficient pest removal while still reducing the amount of pollution in the river is by introducing a natural predator to feed on the pests.The correct answer is d.
Pests are organisms that damage, harm, or cause discomfort to humans, other animals, and plants. Pests that attack crops are called agricultural pests or crop pests. They include rodents, insects, nematodes, and pathogens.Pest management is essential in the reduction of crop damage while also minimizing the amount of pollution that ends up in the river.
Farmers use various methods to manage pests, some of which include physical traps, applying a single dose of pesticides, planting genetically modified crops, and introducing a natural predator to feed on the pests.The following are methods that farmers should choose to minimize costs for efficient pest removal while still reducing the amount of pollution in the river:Introducing a natural predator to feed on the pests.
This is a method where farmers introduce other animals that prey on pests. It is one of the best methods to control pests and also helps farmers to save money. Using physical traps is another method that farmers should use. They are cheaper, easy to use, and environmentally friendly.
The complete question is given below:
Which of the following methods should the farmers choose to minimize the cost of efficient pest removal while still reaching their goal of reducing the amount of pollution in the river?
A.responses using physical traps using physical traps
B.applying a single dose of pesticides
C.applying a single dose of pesticides planting genetically modified crops
D.planting genetically modified crops introducing a natural predator to feed on the pests
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What are some examples of negative feedback?
Select all that apply.
The body produces a protein. In turn, the protein triggers the body to make more of the protein.
Pupils getting smaller to reduce the amount of light reaching the eye when the light is very bright.
Cells increasing their activity to produce more heat when it is cold.
The kidneys reducing the water level in the body when a person drinks a lot of fluids.
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Answers
Answer
Cells increasing their activity to produce more heat when it is cold
Explanation
Negative feedback is a strategy of the body to maintain homeostasis, that is, to maintain the dynamic balance of the body. It can be defined as a situation where the body causes a negative change, contrary to the factor that is causing the body to become unbalanced.
Cells increasing their activity to produce more heat when it is cold.
What is Negative feedback?Negative feedback is a strategy of the body to maintain homeostasis, that is, to maintain the dynamic balance of the body. It can be defined as a situation where the body causes a negative change, contrary to the factor that is causing the body to become unbalanced.
When a system's outputs are subsequently fed back into it, the influence of successive iterations is minimized or reduced. This situation is known as negative feedback.
Negative feedback loops in markets can thereby lessen volatility, for instance through contrarian or value investment.
Therefore, Cells increasing their activity to produce more heat when it is cold.
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In order for a gene to be transcribed, _____ polymerase must have access to the DNA double helix and be able to bind the gene's ______.
Answers
In order for a gene to be transcribed, RNA polymerase must have access to the DNA double helix and be able to bind the gene's promoter region.
A DNA fragment is copied into RNA during transcription. Messenger RNA (mRNA) is the term for DNA segments that are transcribed into RNA molecules that can encode proteins. Non-coding RNAs (ncRNAs) are RNA molecules that contain copies of additional DNA sequences. Only 1% to 3% of all RNA samples are mRNA.
A minimum of 80% of mammalian genomic DNA can be actively transcribed (in one or more types of cells), with the bulk of this 80% being ncRNA. In contrast, less than 2% of the human genome can be transcribed into mRNA
An RNA polymerase reads a DNA sequence during transcription, creating a primary transcript, which is a complementary, antiparallel strand of RNA.
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If the tube is permeable to iodine, what color would you expect the contents to change? [ orange / purple / no change ]
Answers
Answer:
The answer is If we did an experiment in which the iodine solution was placed in the baggie and the starch solution was in the breaker the iodine would move out the baggie. Once the iodine makes it way out the baggie the starch would change color.
Explanation:
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Conduct internet research on the Galapagos Islands. Describe the habitat and any unique characteristics of the islands. Explain the importance of these habitats.
Answers
Answer:
good answer in below
Explanation:
The Galapagos Islands are located in the Pacific Ocean, and are considered to be the most isolated archipelago on the planet. The islands are home to approximately 16 million birds, which is 60% of all species found in all of Ecuador. They are also home to 2,000 species of plants and animals, and have an average elevation of 600 meters above sea level.
The Galapagos Islands' unique environment has led to the evolution of many different species that would not otherwise have been able to survive in their original habitats. For example, some species that live at high altitude have evolved to breathe through tiny holes in their lungs instead of lungs themselves. This allows them both to survive at high altitudes and help them move around more easily when they need to find food or shelter quickly.
How do enzymes help digestion?
Answers
Answer:
Enzymes are essential for healthy digestion.
Explanation:
There are three types of digestive enzymes depending on the type of food on which they act.
Lipases are those that digest fat. After its breakdown into fatty acids and glycerin, they are synthesized by the pancreas.
Proteases are the ones that break the peptide bonds of proteins, reducing them to organic monomers called amino acids. They originate in the stomach or pancreas.
The so-called amylases break down starches and complex sugars in the diet, by breaking the glucidic bonds, releasing mososaccharides (especially glucose). There are 3 types of amylases: ptyaline, pancreatic amylase, and duodenal amylase.
The benefits of these enzymes are:
- They help digestion and reduce the so-called "acidity".
- They reduce the feeling of bloating and gas.
- Improves the digestion of dairy products.
- Food allergies decrease due to good protein digestion.
- They improve the conditions of hiatus hernia and ulcers.
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Answers
Answer:
2
Explanation:
what is the difference between dominance and epistasis? why didn't any pairs of genes used by mendel show epistasis?
Answers
Dominance and epistasis are both terms used to describe the interactions between pairs of genes. Dominance describes the relationship between two alleles of a gene, and whether one allele is expressed over the other.
Epistasis describes the relationship between two different genes, and the effect one gene has on the expression of the other. Mendel's experiments did not focus specifically on epistasis, as he was primarily focused on the inheritance of single traits.
He used varieties of pea plants that showed only complete dominance, and thus no epistasis was observed in his experiments. However, if other varieties had been used, epistasis may have been observed.
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Which fundamental force has a small range and is always an attractive force?
O strong
O gravitational
O weak
O electromagnetic
Answers
4 option electromagnetic
Answer:
A. Strong
Explanation:
I got it right on my test
dendritic cells in the skin, known as langerhans cells, express very high levels of the nod-like receptor nlrp3. previous studies have shown that treatment of these cells with the staphylococcus aureus pore-forming toxin causes k efflux from the cells. to investigate whether this signal could induce il-1 (an inflammatory cytokine) secretion by the cells, the following study (seen in the figure below) was performed. based on the data shown, what conclusion can be made?
Answers
The data suggests that the Staphylococcus aureus pore-forming toxin-induced K+ efflux activates NLRP3, leading to increased IL-1 secretion by Langerhans cells in the skin.
In this study, Langerhans cells with high NLRP3 expression were treated with the Staphylococcus aureus pore-forming toxin, causing K+ efflux from the cells. Researchers then observed the secretion of IL-1, an inflammatory cytokine. The data shown indicates that the K+ efflux triggered by the toxin leads to the activation of the NLRP3 pathway in Langerhans cells.
This activation further promotes the secretion of IL-1. In conclusion, the Staphylococcus aureus pore-forming toxin appears to play a role in initiating an inflammatory response in Langerhans cells by promoting IL-1 secretion through NLRP3 activation following K+ efflux.
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Explain why your skin feels hot when you have a fever. Multiple Choice Vasoconstriction of the vessels in the dermis is causing the body to lose heat, and blood flow from the deeper tissues to the skin is decreased. Vasoconstriction of the vessels in the dermis is causing the body to lose heat. Blood vessel dilation in the dermis is allowing increased blood flow from the deeper tissues to the skin.
Answers
Answer:
Blood vessel dilation in the dermis is allowing increased blood flow from the deeper tissues to the skin.
Explanation:
Our skin feels hot when you have a fever because of the process known as vasodilation in which the widening of blood vessels occurs that increases the blood flow. Due to this process, blood flow to the skin increases that causes the temperature to rise and as as result sweating as well as dehydration occurs in order to remove heat from the body. So we can say that vasodilation is responsible for the increase in temperature of our body.
one cycle of depolarization and repolarization of the myocardial cells represents ________.
Answers
One cycle of depolarization and repolarization of the myocardial cells represents one heart beat.
What is repolarization ?Repolarization describes the change in membrane potential that makes it go from a positive value to a negative value immediately following the depolarization phase of an action potential.
Repolarization is the process of slowly closing sodium channels and opening voltage-gated potassium channels, often known as the falling phase. Absolute resistance time: the time frame starting when sodium channels open until they start to reset
Thus, one cycle of depolarization and repolarization of the myocardial cells represents one heart beat.
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