Select all the correct answers for the question that follows. The resting membrane potential of an excitable cell demonstrates a negative inner face because: the net flow of sodium ions is out of the cell through leakage channels sodium and potassium ion diffuse across the cell membrane according to their electrochemical gradients the net flow of potassium ions is out of the cell through leakage channels large negatively charged protein anions get trapped in the excitable cell

Q: After an action potential, the opening of voltage-gated ________ channels and the inactivation of…

A: Action potential When nerve cell respond to a stimulus, it generates electric impulse which travel…

Q: Which of the following scenarios does not contribute to the resting membrane potential? O Plasma…

A:

Q: In an excitable cell at rest, we expect to find ______ ions effluxing out of the cell through leak…

A: The cell is said to be at resting membrane potential when the cell potential is at rest, and the…

Q: Which of the following is the most important contributor to the difference between the resting…

A: A membrane's voltage varies rapidly in a series known as action potentials.

Q: Depolarization causes: • Changing membrane permeability for Na • Changing membrane permeability for…

A: When an action potential generates a change in electrical potential can be seen and it runs along…

Q: Voltage-gated sodium channels are open and allowing sodium to flow when: O The membrane is at the…

A: When the membrane potential of a particular cell site rapidly increases and decreases, an action…

Q: Which statement does the graph illustrate? Probability of Na channel opening 0.8 0.6 0.4 0.2 0 -80…

A: In membranes, the voltage-gated sodium channels and voltage-gated potassium channels are involved in…

Q: What happens to the sodium inside the cell once the action potential has passed down the axon.…

A: Normally the cell membrane remains negative inside in comparison to outside. This negative potential…

Q: The opening of axonal voltage-gated K+ channels is responsible for which part of the action…

A: Theses channels locate in cell membranes and control transportation of K +ions efflux from and…

Q: Say if the following cells are excitable or not: 1. Neuron: 2. Skeletal muscle: 3. Skin: 4. Smooth…

A: Chemicals, cells, tissues, organs, organ systems, and organisms make up the human body's…

Q: Reorder the items below to correctly label each number in the diagram. 3 4 Membrane Potential (mV)…

A: Plasma membranes are peppered with a variety of ion channels made up of membrane proteins. Some of…

Q: Review the data generated in your 3D graph. What is the maximum temperature (C) to generate an…

A: Action potential, also known as a neural impulse, is a brief and rapid electrical event that occurs…

Q: Channels for sodium ions in the cell membrane open and sodium flows into the cell Both channels for…

A: Action potential are basically nerve signals which results in sudden change in the resting membrane…

Q: Multiple answers: How may have the drug affect the cell's resting membrane potential? What are…

A: The voltage across a cell membrane during the resting stage is known as the resting membrane…

Q: An axon has a membrane capacitance of 4 x 10 F and the membrane resistance of 2 KQ. If the speed of…

A: Introduction The part of a nerve cell (neuron) that transports nerve impulses away from the cell…

Q: Question 43 The sheath forming an electrical barrier around the axon is; O Dendrites None of these…

A: Neurons are transmitters of information. Between various brain regions and between the brain and the…

Q: Which ion channel is open at the point beyond O? M N K - -55 -70 Membrane potential (mV)

A: K+ leak channels allow K+ ions to travel out of the cell freely according to the concentration…

Q: Which of the following can an EPSP give rise to? Group of answer options Local hyperpolarization…

A: The nervous system of a human being is a complex system that helps to coordinate behavior and…

Q: 66) A researcher conducts a voltage clamp experiment on a giant squid axon. She clamps a typical…

A: A voltage clamp is a technique in electrophysical technique that is used to measure the amount of…

Q: When a neurotransmitter binds with receptors at the membrane, it may cause sodium channels to open.…

A: The endogenous chemicals which makes neurons to communicate with each other throughout the body are…

Q: Please help me answer this question  Use the colored symbol on the side for the answer  Thank you

A: We will examine a series of images depicting the different stages of an action potential and…

Q: During depolarization, the membrane potential becomes more positive. O True O False

A: Every cell in our body has cell membrane that separates it from the outer environment tissue, The…

Q: True or false: V1 simple cells receive input from layer 4C cells via excitatory receptors.

A: The correct response is True.

Q: eurons have a resting membrane potential of ___________________.   varying votage as type and…

A: The resting potential is mostly determined by the concentrations of the ions in the fluids on both…

Q: The post synaptic cell will become depolarized and propagate an action potential if the summation of…

A: The nervous system consists of neurons and glial cells. Neurons and glial cells are involved in…

Q: Which of the following represents amplification? O G protein activation by GPCR O Arrestin binding…

A: Signal transduction is the process by which a chemical or physical signal is transmitted through a…

Q: Ion channels can open or close based on electrochemcical gradient.

A: Ion channels are proteinaceous pathways that allow the passage of ions across a membrane at rates…

Q: Select any statements that are NOT true when a neuron is at rest. Anions are attracted into the cell…

A: Neurons are the primary cells of the nervous system. These are highly specialized cells that…

Q: Match each to its correct description. Inside more positive than the resting membrane potential K+…

A: An action potential is a brief electrical event that occurs in excitable cells, such as neurons and…

Q: Compare and contrast action and graded potentials. Your answer should include a definition of each,…

A: An action potential is generated when the potential of a biological membrane rises or falls rapidly…

Q: Current pulse to presynaptic cell Voltage recorded in presynaptic cell Voltage recorded in…

A: A rapid, quick, reversible, and spreading shift in the potential of the resting membrane is referred…

Q: this is an I-V plot. which color is the largest influx of the open channel? it is not orange so i’m…

A: Positive values indicate an outward current, while negative values indicate an inward current.…

Q: Describewhat role potassium plays in healthy, normal excitable cells. First, describe what potassium…

A: The resting membrane potential is the result of the development of a few diverse ion species through…

Q: Show a complete circuit diagram of the model of the neuron using the specific numerical values for…

A: Electrical gradient and concentration gradient required at many places in the body for proceed many…

Q: The change of membrane potential from -70mV to -90 mV is hyperpolarization. T/F

A: Introduction: An action potential is explained as the brief sequence of events in the membrane…

Q: Question 4 Place the following events in order of their occurrence. 1. membrane repolarizes 2. K+…

A: Introduction: Voltage-gated Sodium channels move sodium ions through the plasma membrane of cells…

Q: (ECF) of Na" = 142 mM, and K4.6 mM (ICF) of Na = 9 mM and K = 155 mM The membrane has eight (8)…

A: As per our guidelines, we are only allowed to answer the first question. kindly upload the rest of…

Q: Fill in the blank:  As a result of an additive phenomenon called _______________________, the…

A: An action potential can be defined as a quick rise and a subsequent decrease in voltage or membrane…

Q: Place the following events in chronological order from 1-8: Nat enters the cell, and depolarization…

A: Neurons have the capability of generating and transmitting nerve impulses by transporting specific…

Q: This type of ion channel allows K+ ions to flow into or out of a cell down its concentration…

A: Ion channels are transmembrane proteins present in the lipid bilayer of the cell membranes. These…

Q: Factors responsible for a negative resting membrane potential include (Check all that apply) O High…

A: The negative resting membrane potential of a cell is the membrane potential which is maintained in…

Q: Which ligand-gated channel directly allows for the passage of both sodium and potassium across the…

A: Ion channels are the membrane proteins that allows the passage or movements of ions across the cell…

Q: Binding of acetylcholine to postsynaptic membranes increases the conductance of Na+ into the cell.…

A: The question is asking us to identify the type of transport mechanism that is involved when…

Q: A change in membrane potential which is due to ion influx or efflux in a single region with the ions…

A: Membrane potential is a key aspect of cellular function and cell-to-cell signaling, and thereby…

Q: The patient's muscle weakness, dizziness, and nausea are all due to hypokalemia. How does…

A: When the serum potassium level decreases from the normal value then it arises a condition to define…

Q: There are differences in Na+, K+, and Cl- ion concentrations across the membrane.  Knowing that ions…

A: Neurons are known to generate electrical signals when the permeability of the cell membrane is…