What proteins are responsible for the decrease of membrane potential in section 3? opening of voltage gated sodium channels opening of voltage gated potassium channels potassium leak channels opening of ligand gated sodium channels Na+/ K+/atpase

Q: Which of the following families of actin-binding proteins promote actin filament polymerization?…

A: Actin filaments are made up of a long spiral chain of similar actin proteins. Actin filaments, like…

Q: Which statement is TRUE regarding the Na+ voltage-gated channel in neurons? A) Similar to the…

A: Channels are integral membrane protein that have a pore in the middle through which ions/solutes can…

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: 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: How can the resistance (Rm) of a membrane be increased? Increase conductance by opening ion channels…

A: A membrane resistance (Rm) is a measurement of how challenging it is for ions to cross the membrane.…

Q: DHP-Ryanodine receptors are: O Mechanically-gated O Voltage-gated O Always open O Ligand-gated…

A: Receptors-these are proteins present on the surface of cells that bind to ligands to cause responses…

Q: What determines the activity of the voltage-gated Na1 channel?

A: Cell membrane channels are transmembrane channels. These channels are present in the bilayer of the…

Q: Which of the following is one major difference? [Choose ] Only action potentials cause…

A: There is difference in the concentration of ions inside and outside the each cell of body and this…

Q: Place the following events in the correct order 1.depolarasatin reaches the nrve terminal…

A: A nerve impulse gets transmitted from one neuron to another neuron through junctions called…

Q: Voltage-gated K+ channel senses voltage across the plasma membrane and  permits selective passage of…

A: A rapid and large changes in membrane potential of nerve cells during which the potential actually…

Q: Use the energy of ATP to maintain these K+ and Na+ gradients across the plasma membrane 000…

A: The movement of molecules from a region of lower concentration to a region of higher concentration…

Q: Which statement best describes the interaction that occurs as a result of the bindi ligand to a…

A: Option- B

Q: What happens to the membrane potential inside and outside of the cell when Cl- channels are open?

A: Ion channels are integral proteins that provide for the regulated transport of a specific ion, or…

Q: What membrane protein of the neuron is responsible for briefly increasing the Na+ permeability of…

A: Transporters refer to the membrane protein that transports the molecules and ions from outside of…

Q: Neuronal control of macrophage function in acute disease like septic shock in mice involves each of…

A: The correct option is - vagal signals are transmitted via acetylcholine that binds alpha 7 nicotinic…

Q: Which of the following ion channels are always sensitive to small changes in electric charge?…

A: Transport through the cell membrane is important for cells to supply nutrients, ions, and other…

Q: 1. Which of the following could most quickly reverse calmodulin activity ? ADP A plasma membrane…

A: Calmodulin (CaM), also known as calcium-modulated protein, is a multipurpose intermediate…

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: Given the existence of leak channels for both K  and Na , could the membrane repolarize C688 if the…

A: Ion use transport protein known as gated or leak channels to enter the cell. It is known as…

Q: How does the Na+/K+ pump contribute to the development of a membrane potential?

A: Na+/K+ pump or Sodium-Potassium pump is an enzyme present in cell membrane of all animals.Its role…

Q: What happens to the membrane potential inside and outside of the cell when K+ channels are open?

A: Potassium Channels are actually membrane proteins that allows  K+ ions to come in across the cell…

Q: What must be reached in order for voltage-gated sodium ion channels to open?

A: Action potentials induced when different ions travel the neuron membrane. A stimulus first affects…

Q: how can targetting L-type calcium channels imporve hypermotility and hypomotilty

A: L-type calcium channels are voltage-dependent calcium channels found in various tissues throughout…

Q: Which membrane proteins are involved in the potentiation of the membrane signalling that travels…

A: Action potential is the mode through which the  neuron transports  to the electrical signals. It is…

Q: Which ion channel is responsible for the release of neurotransmitters from the presynaptic neuron?…

A: The synapse or “gap” is the place where information is transmitted from one neuron to another.…

Q: The figure below may help in answering some of the questions. 1. What ions are flowing (and in which…

A: The neurons are the cells of nervous system that is responsible for generation and transmission of…

Q: Which of the following is a correct functional match for CGMP? A Opens calcium ion channels Smooth…

A: B-Smooth muscle relaxation cGMP is a typical controller of particle channel conductance,…

Q: What happens to the membrane potential inside and outside of the cell when Ca+ channels are open?

A: Membrane potential is a potential gradient that forces ions to passively move in one direction where…

Q: Which of the following is the correct statement regarding ion channels?   Physical deformation of…

A: Ion channels, integral membrane proteins, facilitate the passage of ions through pore formations.…

Q: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: functional barrier that prevents passage of antibiotics, and toxins from the blood to nervous 10.…

A: The nervous system controls and coordinates all the activities of the human body. It is classified…

Q: Membrane Potential (mV) -70 + 1 3 Time (ms) 1 Na* continues to rush into the cell E Excess…

A: The Na +K + pump is found in cell membrane of neurons as well as in other animal cells. It helps 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: 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: An experimental cell line expresses K+ inward rectifier channels, Na+ leak channels, K+ channels…

A: The α-1 adrenergic receptor is a type of receptor that is responsible for mediating the effects of…

Q: Which ion channels are controlled by change in membrane potential?     Voltage-gated channels…

A: Membrane potential can be defined as the concentration of ions across the plasma membrane and their…

Q: What is responsible for action potentials propagating in one direction? The inactivation of voltage…

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

Q: Which of the following does NOT contribute to the establishment or maintenance of the neuron resting…

A: The neurons are nerve cells that carry impulses in the body, they are a crucial part of the nervous…

Q: 1. Shown below are figures of the closed and open structures of the voltage gated potassium channel…

A: Introduction Voltage-gated K+ channels, also known as Kv channels, are found in almost all animal…