Hyperpolarization-activated cation current (Ih)- When is this channel activated? What is the directions of flow of current in this channel? Which ions are permeable to in this channel? What is the reversal potential of this channel?

Q: Which of the following neurons depicted below will generate the largest post-synaptic response? A В…

A: The pre synaptic neuron releases neurotransmitters in the synaptic cleft. These neurotransmitters…

Q: false about allosteric feedback inhibition

A: Allosteric feedback inhibition  The final product of a biosynthetic pathway can decrease the…

Q: membrane potential -70mV time Which of the statements below describe a situation in which the change…

A: Introduction: The brief series of events in the membrane potential after excitation is called an…

Q: Speed and efficiency matter. Acetylcholine is rapidly destroyed by the enzyme acetylcholinesterase.…

A: As a neuronal signal propagates and excites or stimulates a cellular membrane, the neurotransmitter…

Q: During an action potential and for a few milliseconds after, is it possible to stimulate that region…

A: An action potential is a cellular membrane voltage or membrane potential that rises quickly and then…

Q: In a resting human axon, the concentration of K+ inside the axon is maintained at 375 mM while the…

A: To determine the concentration at resting potential at a specific temperature we can use Nernst…

Q: You discover a new toxin that causes excessive opening of Kv channels. What effect is this new toxin…

A: The action potential is a potential that is fired when the voltage-gated sodium ion channels open.…

Q: Cell signaling. The ER doctors gave a patient an injection of epinephrine to increase his heart…

A: Receptors are considered to be macromolecules that take part in signaling within and between cells.…

Q: What type of cells serve the needs of delicate neurons by bracing and protecting them? Are they…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: 1. Explain how an action potential and graded potential are different. Where do they occur on a…

A: Membrane potential is the potential defference between electrical gradient (charge) of inside and…

Q: Qs 2 What will increase the length constant of axons?

A: The length constant of the axon can be defined as the distance at which one-third of the voltage…

Q: True or false and explain why. According to the Goldman equation, resting membrane potential of a…

A: * Goldman equation also called as Goldman Hodgkin Katz voltage equation that is used in cell…

Q: You measure the membrane potential and find that it does not change from time X to time Y. However,…

A: Membrane potential also known as transmembrane potential is the difference in electric potential…

Q: what is the equilibrium membrane potential

A: According to the Nernst equation, Equilibrium potential across the membrane for an ion= (61/z) log10…

Q: If the membrane voltage is clamped at +60 mV. What direction does a Ca2+ ion move? inside the cell…

A: The cells of the body mainky the excitalbe cells like nerve cells and muscle cells have a property…

Q: Please ASAP. Thanku If a disease leads to degradation or reduction of the amount of myelin. Which…

A: A neuron is the primary unit of the brain. It has different parts such as the head, axon, and…

Q: If the resistance of the neuronal membrane goes from 500 MQ to 250 MO, which of the following is…

A: Current is defined as the amount of charge flowing through a neuron per unit time.

Q: Depolarization occurs when membrane channels open and ___ enters

A: some cells in the body like nerve cells are polarized in nature , that means thier cell membrane is…

Q: ORT ANSWER. Write the word or phrase that best completes each statement or answers the questic gure…

A: Synaptic transmission is the process at synapses through which a chemical signal (a transmitter) is…

Q: describe the steps of a Local Potential, what channels open? what happens to the membrane potential?

A: Short-range change in voltage is known as Local Potential. Ligand-gates are present on the soma an…

Q: True and false - A k+ channel will be just as permeable to Na+ as to K+ because Na+ is a smaller ion…

A: Ion channels are proteins that form pores in the plasma membrane and allow ions to pass through in…

Q: 1. Please draw the action potential graph (label everything) and describe what happens to the cell…

A: Action potentials allow for communication between neurons and other cells in the body. Nerve…

Q: Part C- Comparing and Contrasting the Two Types of Voltage-Gated lon Channels Sort the phrases into…

A: We can say that The cell is covered with a membrane, that is known as the plasma membrane. This…

Q: A loss-of-function mutation in the ion channel responsible for the generation of end-plate…

A: Please follow step 2 for detailed expalanation.

Q: d) Use the graph below to complete the table: +40 0 What channel is open? What channel is closed? A…

A: Neurotransmitters can serve as chemical messengers for ion channels, neurotransmitter mainly causes…

Q: At threshold, all of the statements below are true except (select all that apply) Voltage-gated Na+…

A: Neurons are the functional units of the nervous system. The neuron consists of dendrites, a cell…

Q: Multiple sclerosis is characterized by increased demyelination of the axons. How does this affect…

A: Demyelination will affect the three principal passive cable properties differently : the relaxation…

Q: Energy is required to do work. What type of work is being done by the Na+/K+ ATPase that allows it…

A: Na+/K+ ATPase is the protein responsible for the transport of sodium and potassium ions across the…

Q: Q2. Why do we perform concentration-response curves ra of agonist and testing it against a single…

A: Concentration response curve basically shows strength. Now agonist induce drug binding to target…

Q: 5. List the series of events at the membrane that generate an action potential, including the…

A: Neurons  The special type of cell which carry signal from stimulus to brain and vice versa.

Q: The most common neurotransmitter involved in the transmission of an action potential is

A: Neurotransmitters are chemical messengers. They carry chemical signals from one neuron to next…

Q: Multiple answers may apply. +30 +10 0 -10- -30- -50 Threshold -70 -90 0 1 3 Time (msec)- It is safe…

A: Neurons are important units in the nervous system that helps in transfer of signal impulse from one…

Q: You measure the membrane potential and find that it does not change from time X to time Y. However,…

A: Introduction : Membrane potential results from differences in the concentration and permeability of…

Q: Solve this problem quickly fast

A: We can say that The cell is covered with a membrane, that is known as the plasma membrane. This…

Q: Which of the following is responsible for maintaining the membrane potential? O A. The Ca2+ pump O…

A: Membrane potential is defined as a potential gradient that causes ions to flow passively in one…

Q: Why are the currents generated by CNG and HCN channels typically depolarizing instead of…

A: HCN channel are voltage gated cation channel that conduct Na+ and K+ with a permeability ratio of…

Q: In the operation of sodium-potassium ATPase, there is an obligatory coupling of sodium efflux and…

A: The neurons are responsible for generation and transmission of nerve impulses that depend on the…

Q: You discover a new type of cell and when you measure the resting membrane potential of this new cell…

A: Neurons are a type of cells and a functional unit of the nervous system which is used to transmit…

Q: An action potential exhibits absolute refractory period in the hyperpolarization repolarization all…

A: Refractory period is a period of time in which a cell is incapable of repeating a particular…

Q: Question. Explain the signal transduction mechanism for slow ligand-gated ion channels.

A: Signal transduction mechanisms convert extracellular signals into many cellular responses,…