Answer:an agent that slows or interferes with a chemical action.
Explanation: an agent that slows or interferes with a chemical action. : a substance that reduces or suppresses the activity of another substance (such as an enzyme)
Schistosome: How long does it live?
regarding the challenges of adulthood, which of the following statements is false? question 7 options: a. The unstable, in-between, self-focused period of time when young adults explore their identities and life possibilities is referred to as generativity.b. Neither adolescence or adulthood can be defined solely in terms of physical maturation since socio-cultural factors help define when we stop being children and become adults.c. How a person manages his or her core relationships during young adulthood will determine whether he or she feels a sense of intimacy or feels isolated from others.d. Adolescence and young adulthood are more emotionally turbulent than midlife or old age
The statement "The unstable, in-between, self-focused period of time when young adults explore their identities and life possibilities is referred to as generativity." is false.
What is generativity?Generativity refers to the psychological concept of middle adulthood (ages 40 to 65), when individuals are focused on contributing to future generations and leaving a positive legacy. It is a time when people may feel a sense of purpose and fulfillment from giving back to their communities and making a positive impact on the world.
The period of time when young adults explore their identities and life possibilities is more commonly referred to as emerging adulthood. It is a time of self-discovery and identity formation, as individuals seek to establish a sense of self and determine the direction of their lives.
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How do differences in primate anatomy affect locomotion patterns?
Answer:
Bipedal locomotion in apes differs from that in modern humans in several respects. The most striking one is that apes have a knee-bending type of locomotion. I don't know but if in which the hip and knee remain considerably flexed throughout the cycle. But it's about their intelligence, and adaptation
Explanation:
A knife found buried 7 inches deep in the ground would be marked on the evidence collection site map as _____.
A knife found buried 7 inches deep in the ground would be marked on the evidence collection site map as buried evidence.
What would the knife be marked as ?On the evidence collection site map, the knife would be 7 inches deep, marked with a symbol representing a knife, and with its exact location noted on the map using coordinates or a grid system.
The location would be labeled with a unique identifier such as a case number or evidence item number, and the depth of the burial would also be recorded in the evidence collection documentation as buried evidence .
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Which of the following is NOT a property of ceramics?
A. Malleable
B. Insulators
C. Strong
D. Chemically unreactive.
Answer:
Malleable.
Explanation:
Ceramics are typically known for their strength, hardness, and high melting points. They are also good insulators of heat and electricity, and are generally chemically unreactive. However, ceramics are not malleable, meaning they cannot be easily shaped or bent without breaking. This is because ceramics are brittle and prone to fracture under stress. Therefore, the property that is NOT a property of ceramics is malleability.
which of the following traits of a living organism were demonstrated by the synthetic cell the jcvi researchers made?
The trait of a living organism that were demonstrated by the synthetic cell the JCVI researchers made is growth.
What was the JCVI project?Scientists have created a single-celled synthetic organism that grows and divides much like a regular cell, simulating features of the cell division cycle that underlies and creates healthy living cellular life. This is a first for genetic engineering.
The accomplishment is the result of decades of genome sequencing and analysis by scientists, researching the roles individual genes play within living organisms. It is exhibited in a manufactured unicellular bacteria-like life form called JCVI-syn3A.
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Which of the following is the most likely explanation for the variety of finches' beak sizes and shapes?
A.
Competition for limited resources leads to natural selection and variation.
B.
Finches adapted to fill open niches.
C.
Finches were exposed to different environments in different locations.
D.
All of the above
Answer:
D. All of the above
Explanation:
Which of the following is the most likely explanation for the variety of finches' beak sizes and shapes?
A.
Competition for limited resources leads to natural selection and variation.
B.
Finches adapted to fill open niches.
C.
Finches were exposed to different environments in different locations.
D.
All of the above
5.Suppose you have isolated a bacteria with temperature sensitive Rho molecule which does not function at 40°C and you made an experiment by growing this strain at 30°C and 40°C and measure the size of the newly transcribed mRNA in both temperatures, what relative size of mRNA do you expect in each temperature?
The Ras superfamily of small GTPases includes the Ras homologous (Rho) protein family.
What are Rho family?In reaction to chemical or mechanical stimuli, small GTPases, which are monomeric proteins, act as molecular switches to "on" or "off" signal transduction pathways.
Rho GTPases play an important role in cellular activities such cell migration, wound healing, cell adhesion, cell polarity, membrane trafficking, and cytokinesis because they are key regulators of actin reorganization.
All eukaryotes that have been investigated so far share a high degree of conservation among the 20 Rho GTPases, with Rho, Rac, and Cdc42 being the most prominent. Rac controls the development of membrane ruffles and lamellipodia in response to growth stimuli.
Therefore, The Ras superfamily of small GTPases includes the Ras homologous (Rho) protein family.
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which of the following is not true of enzymes? they increase the rate to equilibrium the substrates they recognize are non-specific the reactions they catalyze are specific they are usually proteins, but can be rna
The statement "they increase the rate to equilibrium" is not true of enzymes.
Enzymes are biological catalysts that increase the rate of chemical reactions in living organisms. They do not, however, alter the direction of a reaction or affect the final equilibrium state. Enzymes only increase the rate at which a reaction reaches its equilibrium state, they do not change the equilibrium constant of the reaction. Enzymes recognize specific substrates, the molecules they catalyze, and they bind to these substrates in a highly specific manner. The reaction catalyzed by an enzyme is also highly specific and the enzyme has evolved to only catalyze a single or a few related reactions. Enzymes are typically proteins, but in some cases, RNA molecules can also function as enzymes.In conclusion, enzymes increase the rate of chemical reactions in living organisms, but do not increase the rate to equilibrium. They recognize specific substrates, catalyze specific reactions, and are usually proteins, but can be RNA in some cases.
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3. In what tasks would you expect to see a deficit in a lobotomy patient?
a. Orientation in a new apartment
b. Recognizing their spouse
c. Remembering multiplication tables
d
The task to look for deficits in lobotomy patients is A. Orientation in the new apartment
What is a lobotomy?Lobotomy is a brain surgery procedure aimed at calming patients with mental disorders, by damaging or cutting the brain tissue in the prefrontal lobe which is located at the front of the head. This surgery is aimed at patients with mental disorders such as schizophrenia, depression, bipolar disorder, and PTSD. To see the deficit in lobotomy patients can be done by orientation in a new place. But this practice was outlawed in the late 1980s, and now new treatments for mental disorders are being developed.
Your question is not complete, maybe what your question means is :
In what tasks would you expect to see a deficit in a lobotomy patient?
Orientation in a new apartmentRecognizing their spouseRemembering multiplication tablesGathered with his friendsLearn more about the practice of psychosurgery such as prefrontal lobotomies here :
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Which statement correctly describes the rock cycle?
O A. Igneous rock can only form by heat and pressure.
OB. Metamorphic rock can only form by crystallization.
O C. Magma can only form by compaction and cementation.
O D. Sedimentary rocks form by deposition, burial, and compaction of weathered particles and dissolved chemicals.
Answer: B
Explanation:
FILL IN THE BLANK. the spinal cord and spinal nerves are responsible for ___, which are our quickest reactions to a stimulus.
Reflexes, which are our quickest reactions to a stimulus. The spinal cord and spinal nerves are responsible for sending nerve impulses to and from the brain and around the body to control various functions, including reflexes.
What is spinal cord?The spinal cord is a long, thin bundle of nerves and other tissues that extends from the base of the brain to the lower back. It is an essential part of the central nervous system, carrying nerve signals between the brain and the body. The spinal cord is surrounded by a protective layer of vertebrae, or bones, which make up the spine. It is responsible for many of the body’s motor functions, such as movement, breathing, and posture, and also carries sensory information from the body to the brain. Damage to the spinal cord can result in paralysis, loss of sensation, and other physical impairments. Treatment for spinal cord injuries typically involves a combination of physical therapy, medications, and surgery.
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Which of the following best indicates the location of lost contralateral facial muscle control after a corticobulbar tract stroke?
A. Upper facial muscles
B. Lower facial muscles
C. Upper and lower facial muscles
D. Perioral and buccal muscles for assisting speech
The area of decreased contralateral facial muscle control following a corticobulbar tract stroke is best indicated by the lower face muscles.
What is controlled by the corticobulbar tract?The cranial nerves supplying the head and face get upper motor neuron innervation from the corticobulbar tract. A number of motor routes leave the primary motor cortex at the precentral gyrus, which is located in the back of the frontal lobe of the brain.
What symptoms might you have corticobulbar?Muscular weakness, speaking difficulty, and difficulty moving the tongue show as upper motor neuron disease signs and symptoms when corticobulbar tract degeneration is present. The higher motor neurons of the cranial nerves make up the corticobulbar tract.
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blogy
1.3.3 Quiz: Theoretical Frameworks of Sociology
Question 5 of 10
In her sociological studies, Sima often refers to theoretical frameworks. What
is another word for framework?
A. Determinant
B. Psychological grant
C. Road map
D. Mindset
The correct answer is a road map.
What is a road map?
Road maps frequently use thicker lines or stronger colors to distinguish between important and minor thoroughfares (such as highways vs. surface streets).Smaller-scale maps frequently feature indexes of streets and other routes, whereas printed road maps frequently include an index of cities and other locations identified on the map. These indexes provide a grid reference to the feature's location on the map.A city map inset within a map of a state or province is one example of how inset maps can be used to provide more detail for a particular location.The distance between adjacent cities is frequently displayed as a distance matrix. As a result of its symmetry, only the upper triangle is visible.To know more about road maps, click the link given below:
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Use the
model here to describe the transfer of matter and flow of energy from one trophic level to another within an
ecosystem. All of the following must be addressed in your response to receive full credit:
a
Discuss the transfer of biomass when one organism eats another. Use your knowledge of digestion to discuss how food
is broken down and used by the consumer.
b
Explain what happens to the energy that is not transferred from one organism to another.
C Explain why there are typically fewer organisms at the top of an energy pyramid.
D
Use specific numbers
As producers are eaten by primary consumers, who are subsequently eaten by secondary consumers, and so on, energy and matter flow up the trophic levels of an ecosystem.
Describe flow of energy from one trophic level to another within an
ecosystem.
Energy moves from one trophic level, or level of the food chain, to the next as primary producers take energy from the sun to make their own food in the form of glucose. Primary producers are then consumed by primary consumers, who are in turn eaten by secondary consumers, and so on.
Through the consumption of another creature, a biomass is passed from one organism to another. It should be emphasized that food is broken down because the organism's biology transforms the biomass that is consumed into tiny molecules like fatty acids, glucose, and amino acids. Energy does not move efficiently from one level to another. Due to poor digestion or heat loss, some of it is wasted. Because there isn't enough energy to support another level, the energy that is transferred as we move up the pyramid is decreased, making it difficult to continue.
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Which of the following is not a difference between DNA and RNA? a. DNA contains thymine whereas RNA contains uracil b. DNA contains deoxyribose and RNA contains ribose c. DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars d. RNA is single stranded and DNA is double stranded
The following is not the difference between DNA and RNA: DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars.
Thus, the correct answer is C.
Deoxyribonucleic аcid (DNА) аnd ribonucleic аcid (RNА) аre both types of nucleic аcids. The two molecules аre very similаr in mаny wаys. Both DNА аnd RNА аre mаde of nucleotides аnd hаve the sаme bаsic structure. Eаch one contаins а 5-cаrbon sugаr, phosphаte group, аnd nucleobаses (nitrogenous bаses).
The three mаin structurаl differences between RNА аnd DNА аre аs follows:
RNА is single-strаnded while DNА is double-strаnded.RNА contаins urаcil while DNА contаins thymine.RNА hаs the sugаr ribose while DNА hаs the sugаr deoxyribose.For more information about DNA and RNA refers to the link:
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Even if a “rudimentary organ” actually has a function about which we observers are unaware (e.g., if vestigial pelvic bones of a whale may function to support gonads), why would it still provide excellent evidence in support of evolution by descendent?
Answer: its like the human body rectum its there but serves no purpose but when we evolved we eveolved to eat different foods and different foods mean different digestion
a homeostatic control system regulates the activities of cells, tissues and organs so that any change in the
b) The functions of cells, tissues, and organs are governed by a homeostatic control system, which causes a response to be triggered whenever extracellular fluid changes, correcting the change.
What do you mean by a homeostatic control system?The homeostasis of a body controls its internal environment to maintain stability as a physiological response to changes in the external environment. When we discuss the interstitial fluids that surround a cell, we are referring to the environment; yet, when we discuss the environment that surrounds an organism, we are referring to the environment.
In order to maintain a dynamic equilibrium with the shifting external environment, the body's internal environment must be continuously monitored and modified. The adjustment of the body's physiological systems is known as homeostatic regulation.
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Correct question:
a homeostatic control system:
a. regulates the activities of cells, tissues, and organs so that any change in the intracellular fluid initiates a reaction to correct the change
b. regulates the activities of cells, tissues, and organs so that any change in extracellular fluid initiates a reaction to correct the change
c. regulates the activities of cells, tissues, and organs so that any change in the intracellular fluid initiates a reaction that magnifies the change
d. regulates the activities of cells, tissues, and organs so that any change in the extracellular fluid initiates a reaction that magnifies the change
When loss of a substance from the body exceeds its gain, a person is said to be in _____ balance for that substance.negativepositive
When loss of a substance from the body exceeds its gain, a person is said to be in positive balance for that substance.
Homeostаsis refers to the body’s аbility to physiologicаlly regulаte its inner environment to ensure its stаbility in response to fluctuаtions in externаl or internаl conditions. The liver, the pаncreаs, the kidneys, аnd the brаin (hypothаlаmus, the аutonomic nervous system аnd the endocrine system) help mаintаin homeostаsis.
When a person's loss of a substance from the body exceeds its gain, a person is said to be in a positive balance for that substance because it is а mechаnism in which аn аctivаted component enhаnces or further upregulаtes the process thаt gаve rise to itself in order to creаte аn even stronger response. Positive feedbаck mechаnisms аre designed to аccelerаte or enhаnce the output creаted by а stimulus thаt hаs аlreаdy been аctivаted.
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Which of the following is not part of the cytoskeleton element?
a. intermediate filaments
b. actin filaments
c. microtubules
d. centrioles
The cytoskeleton does not contain centrioles. Microtubules make up the centroles. Microtubules, microfilaments, and intermediate filaments make up the intracellular network known as the cytoskeleton.
What are the 3 components of the cytoskeleton?Microtubules, actin filaments, and intermediate filaments make up the cytoskeleton of a cell. These elements aid in the organisation of the cell's components and give the cell its form.
Microtubules: A Cytoskeleton Component?The third main component of the cytoskeleton, microtubules, are hard, hollow rods with a diameter of around 25 nm.
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Describe how homeostasis is maintained in relation to the following:
1. Macromolecules
2. Hierarchy of biological organization
3. Cell membrane and cell membrane transport
4. Negative feedback and positive feedback mechanisms
Answer: Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points.
In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
Explanation:
your welcome
Macromolecules: Homeostasis is maintained in relation to macromolecules by ensuring a balance of nutrient intake and metabolism. The body requires various macromolecules, including carbohydrates, lipids, and proteins, to maintain essential cellular processes. The regulation of blood glucose levels, for example, is important for maintaining homeostasis, and is achieved by the storage and breakdown of macromolecules like glycogen and glucose. Hormonal and enzymatic regulation of macromolecule metabolism ensures a balance of nutrient intake and metabolism to maintain homeostasis.
Hierarchy of biological organization: Homeostasis is maintained at various levels of biological organization. From individual cells to organ systems and the organism as a whole, biological processes are tightly regulated to maintain balance. For example, temperature homeostasis is maintained by the regulation of blood flow and sweat production in the skin, as well as by the hypothalamus in the brain. Similarly, the regulation of fluid and electrolyte balance in the body is achieved through the interplay of different organ systems, such as the kidneys and the endocrine system.
Cell membrane and cell membrane transport: The cell membrane plays a crucial role in maintaining homeostasis by regulating the transport of substances into and out of the cell. Membrane transport mechanisms, including passive diffusion, facilitated diffusion, active transport, and endocytosis/exocytosis, all work together to ensure that the cell maintains a stable internal environment. For example, sodium-potassium pumps in the cell membrane regulate the balance of ions inside and outside of the cell, while the regulation of glucose transporters ensures that glucose levels remain within the optimal range.
Negative feedback and positive feedback mechanisms: Negative feedback mechanisms are important for maintaining homeostasis by counteracting any deviations from the optimal set point. For example, when blood glucose levels rise after a meal, insulin is released by the pancreas to stimulate glucose uptake by cells, which helps to lower blood glucose levels. Positive feedback mechanisms, on the other hand, amplify the initial deviation from the set point. These mechanisms are less common in maintaining homeostasis, but they play an important role in certain biological processes, such as blood clotting and childbirth.
is part of the five i's of culturing microorganisms and is based on visual observations of microscopic and macroscopic growth characteristics.
The Five I's method, which is used to find, develop, examine, and describe microorganisms, consists of inoculation, incubation, isolation, inspection, and identification.
What are the five essential techniques used in laboratories to alter, grow, research, and describe microorganisms?The five "I's" of microbiology—inoculation, incubation, isolation, inspection (observation), and identification—are the basic methods used to study and characterise microorganisms. A little sample of bacteria, called an inoculum, is inserted in culture medium and streaked with a platinum wire probe to grow it.
An illustration of indirect or comprehensive enumeration is spectroscopy. Using a spectrophotometer, the amount of light passing through the culture is used to calculate the number of microorganisms present. It is employed to figure out how many germs are present in food samples.
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What three vegetation types make up the fynbos biome
if a bacterial culture contains 1 cell at time zero, 4 cells after 1 hour, and 16 cells after 2 hours, then all except which of the following are true?
If a bacterial culture contains 1 cell at time zero, 4 cells after 1 hour, and 16 cells after 2 hours, then the true statement is that the growth rate is increasing with each generation.
What is Bacterial growth?Bacterial growth may be defined as the process of an increase in the number of bacterial cells rather than the enhancement in their cell size. The growth of these bacterial cells takes place in an exponential manner, i.e., one cell divides into 2, then 4, then 8, 16, 32, and so on.
The growth rate of bacteria is determined by the bacterial growth curve. This represents the number of live cells in a bacterial population over a period of time. There are four distinct phases of the growth curve: lag, exponential (log), stationary, and death.
Therefore, if a bacterial culture contains 1 cell at time zero, 4 cells after 1 hour, and 16 cells after 2 hours, then the true statement is that the growth rate is increasing with each generation.
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The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This statement describes _____. primary active transport secondary active transport simple diffusion facilitated diffusion exocytosis
The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This statement describes active transport
What is the sodium-potassium pump?The sodium-potassium pump is considered to be electrogenic because it causes this potential difference across the membrane. The sodium-potassium pump performs active transport, which means it must contribute energy from somewhere else to pump ions against gradients.
Protein channels and protein pumps move potassium and sodium across the cell membrane. Passive transport is exemplified by protein channels. They, like tunnels, let materials to move from a high concentration location to a low concentration area without expending energy.
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the name of the passageway that allows a spinal nerve to serve as a communication line to and from the brain
The passageway that allows a spinal nerve to serve as a communication line to and from the brain is called the spinal cord.
The spinal cord is a long, delicate tube of nerve tissue that runs from the brain down the center of the back. It is composed of millions of nerve fibers that transmit signals between the brain and the rest of the body. The spinal nerves, which emerge from the spinal cord and serve as the communication lines between the brain and the rest of the body, are what allow the brain to control and receive sensory information from the rest of the body. In this way, the spinal cord and its associated nerves serve as the main communication pathway between the brain and the body.
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FILL IN THE BLANK. one of the major advantages of the ___ scientific method is that it allows investigation in natural surroundings.
One of the major advantages of the naturalistic observation scientific method is that it allows investigation in natural surroundings. Hence, the correct answer is naturalistic observation.
What do we mean by scientific method?The scientific method establishes facts in an unbiased manner through testing and experimentation. The fundamental steps are making an observation, formulating a hypothesis, making a prediction, carrying out an experiment, and then evaluating the results. The scientific method is a method of understanding natural processes that combines logical reasoning and carefully supervised experimentation.
When terminology defining distinct boundaries between science and non-science, such as "scientist" and "pseudoscience," first appeared in the nineteenth century, science was undergoing significant institutional development.
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The complete question is: Fill in the blanks - One of the major advantages of the ______ scientific method is that it allows investigation in natural surroundings.
TRUE/FALSE. when a phenotype coded by a particular genotype is not always expressed even when the genotype is there.
When a genotype-coded phenotype is not always expressed despite the genotype's presence, the statement is untrue.
Phenotypes are they always manifested?Completely dominant alleles will always be expressed in the phenotypic of the cell. However, sometimes an allele's dominance is only partially complete. When a cell is heterozygous (having both a dominant and a recessive allele), it might exhibit intermediate characteristics.
Do phenotypes and genotypes correspond?Development + Genotype = Phenotype (in a given environment). We are interested in the relationship between these two in order to consider them in the framework of evolutionary biology. The genotype determines the phenotype in a strictly "genetic" sense.
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they would turn to the experimenter forcues as to how to proceed. This speculation in essence identifies ______as a source of participants'destructive
"They would turn to the experimenter forcues as to how to proceed"; this speculation identifies the experimenter as a source of participants' destructive behavior.
The experimenter is seen as a source of cues or instructions that influence the participants' actions, potentially leading them to engage in destructive or harmful behavior. This highlights the importance of ethical guidelines in research, which aim to ensure that the behavior and well-being of research participants are protected, and that the results of research are not obtained at the cost of harm to participants.
Researchers must adhere to strict ethical principles and procedures in order to minimize the potential for harm and to ensure that the results of their research are trustworthy and meaningful.
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you are performing a whole cell patch clamp recording from a cortical pyramidal neuron. if you set the holding vm to -70 mv, which of the following is most likely?
If you perform whole-cell patch clamp recording of cortical pyramidal neurons, and you set the holding vm to -70 mv, then you are prepared to assess AMPA receptor function.
An electrophysiological technique called whole-cell patch-clamp recording enables the investigation of the electrical characteristics of a sizable portion of the neuron. The micropipette is in close contact with the cell membrane in this configuration, which prevents current leakage and offers more precise ionic current measurements than the previously employed intracellular sharp electrode recording method. Traditionally, whole-cell recordings have been made on neurons in a variety of preparations, such as intact anesthetized or awake animals, dissociated neurons, neurons in brain slices, and cell culture models. In conclusion, this method has made a significant contribution to our understanding of the biophysical characteristics of excitable cells, both passive and active.
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