Question:
Which subatomic particles are most important in the transfer of energy in living organisms?
Answer:
Electrons.
Extra Information:
An electron is an elementary particle having a charge of -1. It orbits the nucleus of atoms in shells (I.e., the K, L, M, N, O, P, etc.)
The half-life of carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only % of the carbon-14 expected in living matter, when did the tree die?.
Mature and established trees die for a combination of reasons but sudden browning of foliage is typically associated with a lack of water supply to the canopy. Water supply can be cut off to the canopy due to obvious issues including deficiency or root damage.
What is Carbon?Carbon is a chemical component with the symbol C and atomic number It is nonmetallic and tetravalent—its atom makes four electrons unrestricted to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon produces up only about 0.025 percent of Earth's crust.Carbon is employed in some way in almost every industry around the globe. It is used for fuel in the form of coal, methane gas, and crude oil (which is used to produce gasoline). It is used to make all sorts of fabrics including plastics and alloys such as steel (a mixture of carbon and iron).Carbon is a chemical element with the symbol C and atomic number 6. Categorized as a nonmetal, Carbon is a solid at room temperature.To learn more about Carbon, refer to:
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How does the loss of vegetation on shore lines affect waterways? a. decreased sedimentation b. increased shorelines c. increased erosion of water banks d. none of the above
c. increased erosion of water banks
Correct option is C. Waterways are affected by the loss of vegetation along the shorelines, which causes increased erosion of water banks .
By sustaining portions of the beach with its roots, vegetation on the shore protects the soil from erosion and decreases its impact.
Erosion would be detrimental without them.
What is erosion?The process of removing soil, rock, or dissolved material from one area on the Earth's crust and moving it to another, where it is deposited, is known as erosion.
Erosion can be brought about with the aid of many exceptional situations. Some erosion examples include wind erosion, water erosion, glacial erosion, temperature erosion, and mass wasting (such as landslides).
Erosion differs from weathering, which is a static process.
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Which molecule is produced during translation
Answer:c
protein
Explanation:
Rachel carson’s warning in silent spring was focused on _______. a. overgrazing by livestock b. global warming c. the misuse of pesticides d. fish stock declines please select the best answer from the choices provided a b c d
Correct option is C. Rachel carson’s warning in silent spring was focused on the misuse of pesticides.
Rachel was concerned because pesticide misuse can cause significant and serious harm to humans, animals, and crops in general.
What can misuse of pesticide lead to?Pesticide poisoning can result from pesticide misuse, with symptoms ranging from mild skin irritation to seizures and death. Poisoning has a wide range of effects depending on the dosage and level of exposure. Secondary pest outbreaks occur when the use of a pesticide to reduce densities of an unwanted target pest species triggers subsequent outbreaks of other pest species, potentially fueling the dramatic increase in insecticide resistance.To learn more about misuse of chemicals from the given link
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Answer: Edge 2022, C. Global Warming.
Obe seems to be especially involved in the comprehension of spoken language in humans?
Temporal lobe seems to be especially involved in the comprehension of spoken language in humans.
What is temporal lobe?The second-largest lobe is the temporal lobe, which is located behind the ears. They are frequently linked to memory encoding and the processing of auditory information.The key jobs of the temporal lobes are language comprehension, memory formation, object and face recognition, perception, and auditory information processing.Each cerebral hemisphere's largest lobe, located in front of the occipital lobe, houses a sensory region linked to the auditory system.Different sounds must be interpreted and given meaning by the temporal lobe. As a result, left temporal lobe loss frequently results in receptive aphasia or Wernicke's aphasia, which are issues interpreting language.This crucial component aids in the processing of sensory information, including as pain and auditory inputs. Additionally, it aids with language comprehension, memory retention for images, and the processing and memory of emotions.Learn more about temporal lobe here:
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Disclaimer: The given question in the portal is incomplete. Here, the complete question.
Question: Which lobe seems to be especially involved in the comprehension of spoken language in humans?
What feature of rubisco allows the co2 concentration to increase in the bundle sheath cells of c4 plants?
The increased concentration of CO₂ in Bundle sheath cells allows RUBISCO to bind with CO₂ more efficiently.
RUBISCO stands for Ribulose Bisphosphate Carboxylase Oxygenase. It is the most abundant enzyme on the earth. It has binding site for both CO₂ and O₂. It is a 5 carbon compound.
In bundle sheath cells due to thick walls, the CO₂ concentration increases and hence RUBISCO can bind with CO₂ more efficiently. The binding site in RUBISCO has active sites for both CO₂ and O₂, therefore the binding nature between both of them is competitive. More the concentration of CO₂ the better the RUBISCO can bind to it.
In the C₄ pathway, when the acid is broken down in the bundle sheath cells, this increases the intracellular concentration of CO₂ and hence CO₂ can bind with RUBISCO.
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If an organism is catalase positive, which aerotolerance categories could it be in?
If an organism is catalase positive, it is in staphylococcus aerotolerance categories.
Catalase testing is used to distinguish between Streptococci (catalase-negative) and staphylococci (catalase-positive). The catalase enzyme works to counteract hydrogen peroxide's bactericidal effects. Hydrogen peroxide (H2O2) is quickly broken down into water and oxygen by catalase.
Bacteria that use oxygen for breathing create the enzyme catalase, which shields them from the harmful byproducts of oxygen metabolism. Strict aerobes and facultative anaerobes are both catalase-positive bacteria, although they can all respire utilising oxygen as a terminal electron acceptor. Anaerobes or facultative anaerobes that solely ferment and do not respire using oxygen as a terminal electron acceptor can be catalase-negative bacteria (i.e. Clostridium).
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What type of feedback is demonstrated when adequate thyroid hormones signals the pituitary to stop producing thyrotropin?
A negative feedback loop controls the thyroid hormones.
In addition to the thyroid, the hypothalamus and pituitary are also part of the negative feedback loop. The thyroid is regulated in this manner: TRH, or thyrotropin-releasing hormone, is secreted by the hypothalamus. Thyroid-stimulating hormone, or TSH, is produced by the pituitary gland in response to TRH. The thyroid gland is then stimulated by TSH to release its hormones.
When thyroid hormone levels are high enough, the pituitary and hypothalamus are prevented from secreting TSH and TRH, respectively. The thyroid gland ceases producing hormones when TSH production is inhibited. Soon, the thyroid hormone level begins to drop too low.
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Which condition would most likely lead to an increase in the frequency of an altruistic behavior in a population?.
Explanation:
The beneficiaries of the behavior are related to the individual performing it. Groups that differ in terms of altruistic and selfish genotypes have differential reproduction or survival.
What is the chief benefit of using a high and low x-ray energy source with a dxa system?
The chief benefit of using a high and low x-ray energy source with a dxa system is to demonstrate attenuation differences between bone and soft tissue.
A DXA scan typically aids a physician in determining bone density. It might also be useful for figuring out body composition, like the ratio of lean muscle to fat. Two low-energy X-ray beams are used in the dual-energy X-ray absorptiometry (DXA) scan. This enables the picture to display both bone and soft tissue.
A DXA scan is usually more accurate than a standard X-ray when doctors need to determine whether a patient has low bone density or whether the problem is worsening since it may spot even minute changes in bone loss. The amount of visceral fat that the body accumulates around particular internal organs can also be estimated using the data.
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Which characteristic is unique to chordata (it is a diagnostic feature) and is evident at some stage of the life cycle in all chordates?
Notochord is unique to Chordata (it is a diagnostic feature) and is evident at some stage of the life cycle in all chordates.
An animal belonging to the phylum Chordata is a chordate. At some point during their larval or adult phases, all chordates have five synapomorphies, or primary traits, that set them apart from all other taxa. The term "chordate" can be defined as "the class of animals that, at least throughout some stage of their development into adulthood, possess the following four anatomical features: (1) notochord, (2) dorsal nerve cord, (3) tail, and (4) pharyngeal slits."The notochord is the distinguishing feature of the chordates and plays crucial roles in the development of vertebrates. It acts as a major skeletal component of the growing embryo as well as a source of midline signals that design neighboring tissues.learn more about Chordata here: https://brainly.com/question/1231910
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Two monosaccharide isomers with 4 chiral carbons in which the configuration of one chiral carbon differs are most precisely described as:_______.
Two monosaccharide isomers with 4 chiral carbons in which the configuration of one chiral carbon differs are most precisely described Diastereomers
What are enantiomers and diastereomers?
Stereoisomers are up two types such as diastereomers and enantiomers.
Diastereomers or diastereoisomers are the type of non-mirror image non-identical stereoisomers. They are non-superimposable.
For example in D-glucose and D-altrose, although have the same number and type of atoms but the arrangement is different.
On the other hand, though Enantiomers are non-superimposable, but the only difference is that they are mirror images of each other.
Hence, in this case 4 chiral carbons of two sugar isomers where the configuration of one chiral carbon differs are Diastereomers
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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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Allen's and bergmann's rules are perfect examples of natural selection working to bring about anatomical adaptations to different environments. these include:______.
Allen's and bergmann's rules are perfect examples of natural selection which include the limb and trunk proportions of Neandertals.
According to Bergmann's rule, creatures at higher latitudes should be larger and thicker than those closer to the equator to better preserve heat, and according to Allen's rule, those at higher latitudes will have limbs that are shorter and thicker.
Latitudinal size clines can also be explained by seasonality and plant productivity. With endotherms, the rules typically apply, although in insects, various species within the same genus can react to latitude in unexpected ways.
Therefore, Allen's and bergmann's rules are perfect examples of natural selection which include the limb and trunk proportions of Neandertals.
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What is virulence?
a. the disease-producing power of a pathogen
b. the toxicity of a virus
c. the strength of a microorganism
d. the number of pathogens in the body
e. the deadliness of a toxin
Virulence is the disease-producing power of a pathogen.
Virulence, term interchangeably used with pathogenicity, refers to the degree of pathology caused by the organism. The extent of the virulence is usually correlated with the ability of the pathogen to multiply within the host and may be affected by other factors. Viral virulence is influenced by viral genes in three categories firstly those that affect the ability of the virus to replicate, secondly those that affect host defense mechanisms, Thirdly those that affect tropism, spread throughout the body and transmissibility. Virulence factors characterized as important for attachment and invasion in human infection are CPS, β-hemolysin, C proteins, and pilus-like proteins.
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For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as a (an)
For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
What is an X-linked trait?An X-linked trait is any phenotypic feature controlled by one or more genes located on the X chromosomes (it is a sex chromosome).
Moreover, a character that exhibits complete dominance is associated with an allele that completely masks the expression of the recessive allele in heterozygous organisms.
In conclusion, for a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
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What is the process called when a primitive neuron begins to develop dendrites and an axon?
The process when a primitive neuron begins to develop dendrites and an axon is known as Differentiation .
Neurogenesis is the process by which new neurons are formed in the brain. Neurogenesis is crucial when an embryo is developing, but also continues in certain brain regions after birth and throughout our lifespan. Four main stages of neuronal development are proliferation of a vast number of undifferentiated brain cells, migration of the cells toward a predetermined location in the brain and the beginning of their differentiation into the specific type of cell appropriate to that location ,synaptogenesis followed by neuronal cell death.
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Which protein joins together the okazaki fragments of dna in the lagging strand?
DNA ligase joints together the Okazaki fragment of DNA in the lagging strand.
DNA ligase is the enzyme .it catalyses the formation of a phosphodiester bond between the 3'OH group at the end of one DNA fragment and the 5'phosphate group at the end of another.
During DNA replication in the lagging strand, okazaki fragments are formed because due to different primer are available for DNA polymerase enzyme. so the new DNA strand takes place in discontinuous manner. DNA ligase enzyme act as molecular suture . it s form phosphodiester bond between 3'OH group of one DNA to 5'phosphate group of another DNA molecule. so the newly synthesised DNA takes place in continuous manner.
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From where can conservation geneticists collect dna samples to monitor endangered species?
DNA collecting samples helping species recover often depend, which can reveal valuable information about details ranging from inbreeding and population history to natural selection.
To measure the genetic diversity of particular gene, scientist look at how many different versions of it are present in a population.Use of molecular marker for identification of endangered species offer promise of conservation biology.
Conservation genetics is the application of genetics to understanding the decreasing population and species extincts.By effective managing these ecosystem we can help preserve threatens and endangered. It helps in determine evolutionary context of endangered species and enables the development of better management and strategies for endangered species.
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For gas exchange with the atmosphere, the respiratory tissue...
Question 5 options:
a) Must have thick cell walls
b) Have a large surface area
c) Be moist
d) Both b and c are correct
e) a) b) and c) are all correct
Answer:
i guess both option b and c are correct
For gas exchange with the atmosphere, the respiratory tissue must have thin walls, large surface area and be moist.
Therefore, the correct answer is Option d) Both b and c are correct
What are the adaptations of respiratory system?The respiratory system helps in exchange of gases between the atmosphere and the body.This exchange of gases takes place in the alveoli of lungs.Oxygen moves from lungs into the blood and carbon dioxide moves from the blood into alveoli of lungs where it is eventually exhaled into the atmosphere.The alveoli have several adaptations for exchange of gases.These adaptations include having a large surface area, moist surface, extensive blood supply, thin, permeable walls and high pressure gradient of gases.For rapid diffusion of gases, a very thin wall of epithelium is required between the alveoli and the surrounding capillaries such as simple squamous epithelium.Learn more about respiration here:
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The genus _______ is an extremely important member of the apicomplexan group because several of its species are the causative agents of malaria.
The genus plasmodium is an extremely important member of the apicomplexan group because several of its species are the causative agents of malaria.
Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of Plasmodium species involve development in a blood-feeding insect host which then injects parasites into a vertebrate host during a blood meal. Parasites grow within a vertebrate body tissue (often the liver) before entering the bloodstream to infect red blood cells. The ensuing destruction of host red blood cells can result in malaria. During this infection, some parasites are picked up by a blood-feeding insect (mosquitoes in majority cases), continuing the life cycle.
The life cycle of Plasmodium involves several distinct stages in the insect and vertebrate hosts. Parasites are generally introduced into a vertebrate host by the bite of an insect host (generally a mosquito, with the exception of some Plasmodium species of reptiles). Parasites first infect the liver or other tissue, where they undergo a single large round of replication before exiting the host cell to infect erythrocytes.
At this point, some species of Plasmodium of primates can form a long-lived dormant stage called a hypnozoite. It can remain in the liver for more than a year. However, for most Plasmodium species, the parasites in infected liver cells are only what are called merozoites. After emerging from the liver, they enter red blood cells. They then go through continuous cycles of erythrocyte infection, while a small percentage of parasites differentiate into a sexual stage called a gametocyte which is picked up by an insect host taking a blood meal.
In some hosts, invasion of erythrocytes by Plasmodium species can result in disease, called malaria. This can sometimes be severe, rapidly followed by death of the host (e.g. P. falciparum in humans). In other hosts, Plasmodium infection can apparently be asymptomatic.
Even when humans have such subclinical plasmodial infections, there can nevertheless be very large numbers of multiplying parasites concealed in, particularly, the spleen and bone marrow. These hidden parasites (in addition to hypnozoites) are thought to be the origin of instances of recurrent P. vivax malaria.
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According to a study that compared the brains of adults at various ages, from the forties through the seventies, the Group of answer choices growth of dendrites decreased. number of axons increased. growth of dendrites increased. number of neurons increased.
According to a study that compared the brains of adults at various ages, from the forties through the seventies - growth of dendrites decreased.
What is Dendrites ?Dendrites are fine finger like cells which present at the end of the neuron. It has short brunching fibers and receive inputs from a neuron. Almost 5-7 dendrites are present in a neuron. The main growth of dendrites happens before 40, after 40 the growth rate decreases and become more minimal by ageing.
What is Axons ?Axons are part of dendrite so by decreasing the number of dendrites the number of axons are also decreased but the volume increases. Neurons accumulate damaged mitochondria, impaired and aggregated proteins and create oxidative stress.
So from the above discussion we can say that the growth of dendrites decreases in the adults at various ages, from the forties through the seventies.
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Money that mining companies may be required to post in order to begina mining project
which ensure they will honor their environmental obligations is a(n)
environmental impact statement
down payment
security deposit
bond
Money that mining companies may be required to post in order to start a mining project is environmental impact statement
Mined materials are needed to build roads and hospitals, to build automobiles and houses, to make computers and satellites, to generate electricity, and to deliver the many other goods and services that consumers enjoy. In addition, mining is economically vital to producing regions and countries.
What is mining project?mining project means mining harbored on under 1 or more mining leases as a single integrated undertaking.
What are the 4 methods of mining?There are four major mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more costly and are often used to reach more serious deposits. Surface mines are commonly used for more shallow and less valuable warranties.
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Use your knowledge of microorganisms to complete this table.
Bacteria are prokaryotes, fungi and protists are eukaryotic organisms and viruses are not living.
In what ways it is possible to distinguish prokaryotes from eukaryotes?Bacteria (e.g., E coli) are prokaryotic organisms whose cells don't have nuclei or membrane bound organelles, reproduce by asexual ways such as binary fission, and they are beneficial as descomposers.
Some common diseases caused by bacteria include tetanus (Clostridium tetani), pneumonia (Klebsiella pneumoniae), cholera (Vibrio cholerae), etc.
Moreover, protists (e.g. algae) and Fungi (e.g. Saccharomyces cerevisiae) are eukaryotic organisms that have cell nuclei and organelles, can reproduce by asexual reproduction, can perform photosynthesis (algae) or acts as decomposers (fungi).
Some common diseases caused by protists/protozoans include malaria (Plasmodium), sleeping sickness (Trypanosoma), etc.
Some common diseases caused by fungi include aspergillosis (Aspergillus), candidiasis (Candida albicans), etc.
Finally, viruses are not living because they need a host to survive and are also useful as vectors to design gene therapy techniques.
Some common diseases caused by viruses include AIDS (HIV retrovirus), dengue fever (Flaviviridae viruses), etc.
Bacteria are used to produce insulin and other natural medications, viruses are used as carriers for the treatment of diseases, protozoans can enhance the fertility of soils and fungi are employed in the preparation of foods.
In conclusion, bacteria are prokaryotes, fungi and protists are eukaryotic organisms and viruses are not living.
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When a cold front is approaching, what happens?
Select one:
a.
Warm air is pushing under cold air causing humid weather and lower temperatures.
b.
Warm air is pushing under cold air causing humid weather and higher temperatures.
c.
Warm air rises, cools, and causes rain and thunderstorms.
d.
Cold air is pushed over warm air causing rain and thunderstorms.
Which of the following cell lines might be elevated in a patient exposed to prions?
A. Plasma cells
B. Macrophages
C. T-cells
D. Monocytes
E. Erythocytes
The correct answer is E. Erythocytes.
ErythocytesA particular blood cell type that is produced in the bone marrow and is present in the blood. Hemoglobin, a protein found in erythrocytes, is responsible for transporting oxygen throughout the body from the lungs. A complete blood cell (CBC) test often includes checking the erythrocyte count in the patient's blood. It could be used to check for diseases like leukemia, dehydration, malnutrition, and anemia. also known as an RBC or a red blood cell with Erythocytes. Your body's tissues receive oxygen from red blood cells, also referred to as erythrocytes. Your tissues release carbon dioxide as oxygen is converted to energy. In order for you to exhale carbon dioxide, your red blood cells also carry it to your lungs.
Which of the following cell lines might be elevated in a patient exposed to prions?
A. Plasma cells
B. Macrophages
C. T-cells
D. Monocytes
E. Erythocytes
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Paroxysmal dyspnea, accompanied by wheezing caused by a spasm of the bronchial tubes or by swelling of the mucous membrane, is known as?
Paroxysmal dyspnea and wheezing are symptoms of chronic asthma and are caused by swelling of mucous membrane or bronchial tube spasm.
Your airways may narrow, swell, and create additional mucus if you have asthma. This may make breathing challenging and cause coughing, wheezing when you exhale, and shortness of breath.
Although there is no known therapy for asthma, you can manage it with treatment and an action plan. Monitoring, avoiding triggers, and taking medications are all possible parts of the approach.
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What is the term for a reduction in bone mass that is large enough to compromise the normal function of bone?
Osteoporosis is the term for a reduction in bone mass that is large enough to compromise the normal function of bone.
Osteoporosis is a disease that reduces bones to the point where they break easily like bones in the hip, backbone (spine), and wrist. Osteoporosis is called a “silent killer disease” because you may not notice any changes until a bone breaks. In this situation bone mineral density and bone mass decreases, or the quality and structure of bone changes. This can lead to a decrease in bone strength that can increase the risk of fractures. It causes your bones to become thin and weak. They are at greater risk for breaking. A broken bone may happen even from falling from a standing position.
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Which part of the large intestine helps fight parasites that have survived the previous digestive tract?
Answer:
All parts of the Large Intestine
Explanation:
When the diffusive and electrostatic forces are balanced, what do you predict will happen to the intracellular and extracellular k concentrations at equilibrium?
When the diffusive and electrostatic forces are balanced, the K+ ions first move out of the cell down their concentration gradient, but begin to be pulled back into the cell due to the inside of the cell becoming more negative. For a single ion, the two forces balance out at the equilibrium potential.
What is equilibrium potential?
The concentration gradient of an ion across a semipermeable membrane drives the direction of movement of the ion. This ionic concentration gradient, or difference across the membrane surface, is maintained by the use of energy, either primary or secondary active transport, and creates a force for the movement of that ion across the membrane. Again, because of the high relative permeability of the membrane to potassium, the resulting membrane potential is almost always close to the potassium equilibrium potential. But in order for this process to occur, a concentration gradient of potassium ions must first be set up. This work is done by the Na+/K+ ATPase pump, which pumps 3 Na+ ions out of the cell and 2K+ into the cell to generate the Na+ and K+ concentration gradient. The membrane is semipermeable to that ion. There is an ion channel that allows for the ions to pass through the membrane only when that specific ion channel is open. Thus, when the ion channel opens, the ion moves down its concentration gradient from high to low, in this case for K+ from the inside (intracellular region) to the outside (extracellular region). Permeability is the capability of ions to flow across the membrane even if they are moving or not (e.g. is there an ion channel present). However, conductance measures the movement of charge across the membrane.To learn more about equilibrium potential: https://brainly.com/question/14292747
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