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: Dr. Brainy decides to make a new cell that ONLY has one ion channel in its membrane. This channel is…

A: Based on the conditions, let's evaluate the potential outcomes: Membrane potential approaching 0 mV:…

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: Extracellular recordings create a distinct action potential. Choose the option that best describes…

A: INTRODUCTION :  Extracellular recordings - These are recordings of electrical potentials which are…

Q: At rest, a neuron has a lower concentration of sodium than the surrounding fluid. The neuron also…

A: Sodium- Potassium pump The sodium - potassium pump involves protein called the sodium- potassium…

Q: "The membrane potential arises from movements of charge that leave ion concentrations practically…

A: Preface A lipid bilayer membrane with proteins incorporated surrounds every beast cell. This lipid…

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: Start by giving one, detailed sentence that describes the figures below. Then tell me what is…

A: An action potential is a characteristic pattern of quick rise and subsequent decline in voltage or…

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: Chloride ions (Cl-) are in higher concentration outside of the cell compared to the intracellular…

A: Ion channels across the membrane allow the movement of specific ions in the cell and outside. This…

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: Assuming normal resting membrane potential of a cell, if potassium were to leak down its…

A: 1. Resting Membrane Potential:  The resting membrane potential of a typical neuron is around -70 mV.…

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

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

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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: The above repolarization of a neuron will result in which of the following ionic currents? a…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: Tetraethylammonia, a toxin that blocks potassium channels, will More than one answer may be…

A: Introduction : There are three phases of action potential. These are depolarisation, repolarisation…

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

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

A: The correct response is True.

Q: Hyperpolarization is defined as an increase in membrane potential toward zero.

A: Hyperpolarization occurs when the membrane potential becomes more negative at a particular spot on…

Q: A post-synaptic cell responds to an incoming signal by opening chloride gates. What will be the…

A: The synapses are the neuronal connections in the nervous system. The synaptic junction allows the…

Q: Describe the changes in membrane permeability that underlie the membrane potential changes

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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: Which of the following is a voltage-gated channel?  L-type Ca2+ channel  M3  AChR  Beta 1 receptor…

A: The voltage-gated protein channels may respond to small changes in the dynamic membrane or…

Q: A person is given a drug that blocks the voltage-gated sodium ion channels in the plasma membrane of…

A: The Acetylcholine is one of the most vital neurotransmitter in the human body, that is seen in both…

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: is to say, the excitatory pathways become over ive, or the inhibitory pathways, esigned to temper…

A: Normally neuron has a resting membrane potential of about -70 millivolt. When an action potential…

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: Which of the following statements regarding the equilibrium potential (Eion) of an ion is correct?…

A: Equilibrium potential refers to the electric potential difference across the membrane of the cell,…

Q: Using the graph, you would need an EPSP of ________mv to get an AP every 6ms.

A: EPSP or excitatory postsynaptic potential is developed by the binding of neurotransmitter with the…

Q: The place where a neuron and myocyte communicate is a call a _ junction

A: Neurons interact with other neurons and muscle cells through action potentials. They are short…

Q: Sodium (Na*) and Potassium (K+) are equally distributed across the neuronal membrane at resting…

A: BASIC INFORMATION   NEURON   It is the longest cell inside the human body  It is found in the brain…

Q: Phase Peak Phase Falling Phase Q2. Phases of the action potential Rising Phase membrane is…

A: The nervous system establishes its function by the means of neurons or nerve cells that aid in the…