If the neuron is stimulated such that its membrane potential changes to 50 mV, what is the sign of the driving force for Cl- ions and in which direction will these ions move across the membrane? Positive driving force; Cl- moves into the cell Positive driving force; Cl- moves out of the cell Negative driving force; Cl- moves into the cell Negative driving force; Cl- moves out of the cell

Q: When the membrane voltage shifts from the RMP to a more negative voltage; this is a_

A:

Q: a cell with the following ion concentrations had a resting membrane potential of -40mV which of the…

A: Cell membrane is selectively permeable to some specific ions.

Q: Draw a sketch of a graph showing a complex AHP consisting of a first component AHP, an ADP, and a…

A: AHP is the afterhyperpolarization while ADP is afterdepolarization. In AHP the membrane potential…

Q: Sort and number the sequence of events happening during the establishment of a local potential

A: The normal cell membrane resting potential is maintained by ion channels on the membrane which…

Q: Which of the following describe(s) the difference(s) between an EPSP and an IPSP? Select all that…

A: The synaptic junction can be excitatory or inhibitory in nature depending upon the release of which…

Q: Which of the following statements is not true about neurons?   When there is no active nerve…

A: Neurons, specialized cells within the nervous system, play a vital role in transmitting electrical…

Q: Which of the following occurs immediately after the peak of an action potential? The membrane…

A: Change in electrical potential related with the impulse entry along the membrane of a muscle cell or…

Q: Which of the following is not an excitatory ligand-gated ion channel? NACHR AMPAR ASIC GABA-AR

A: Neurons send electrical signals by generating and transmitting action potentials. Neurons have…

Q: How does a voltage clamp work?

A: Information is communicated through neurons. They send information between different parts of the…

Q: Imagine that a neuron has 5X higher sodium outside than inside and 10X higher potassium inside than…

A: The movement of the cell constituents inside and outside of the cell is mediated by  selectively…

Q: Consider the following graph of an action potential: 60- 30- membrane potential (mV) O -30- -60 line…

A: Action potential refers to the sudden rise and fall of membrane potential across a cellular membrane…

Q: Finally, what will be the effect on the membrane potential if K+ loan move out of the cell?a) K+…

A: The sodium-potassium pump is an important ATP-based pump found in the cell's plasma membrane. The…

Q: Which of the following statements best describes the features of voltage-gated K+ channels?…

A: Voltage-gated potassium (K+) channels are ion channels that help regulate the membrane potential of…

Q: Which of the following describes the movement of the correct ion in the falling phase of the action…

A:

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: Which ions are important in transmitting information along the axon of a neuron?     Ca2+ and Zn2+…

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

Q: Place the events involved in generating an action potential in the order in which they occur: 1. K…

A: Nervous system is a type of body system which is involved in control , coordination and transmission…

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: What happens to sodium channels and potassium channels during repolarization of a neuron? both…

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

Q: Separately, draw a table using arrows to depict the appropriate magnitude and direction of the…

A: Ligand-gated channels are integral membrane proteins that respond to the binding of specific…

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: When a neuron is a rest, the sodium ions flow through the membrane at a very low rate. Why is this?…

A: Ion channels are essential components of neurons that allow for the production and transmission of…

Q: Which of the following intracellular potentials would have the greatest electrical attraction for…

A: Cell Membrane potential is a potential slope that forces ion particles to move in one side. positive…

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: 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: 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: 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: If the equilibrium potential for K+ is -90mV, and the charge inside the cell is -70mV, which…

A: Membrane potential is the difference in internal and external electric potential of a cell. This…

Q: What is the polarized membrane state? How is it maintained? (Note the relative roles of both passive…

A: The polarized membrane state is the resting membrane potential in which there is a potential…

Q: Separately, draw a table using arrows to depict the appropriate magnitude and direction of the…

A: Ligand-gated channels are integral membrane proteins that respond to the binding of specific…

Q: what will happen if the membrane channels opened and allowed a negatively charged ion such as…

A: NOTE: Options are numbered as 1, 2, and 3. Also, option 1 must be "action potential is less likely…

Q: The ions that most contribute to the voltage properties of the neuronal membrane are: chloride,…

A:

Q: Which of the following would occur if you were measuring the voltage of a motor neuron that was…

A: They are regulated by inhibitory neurotransmitters such as glutamate and GABA. They prevent an…

Q: The resting membrane potential in neurons is described as an electrochemical gradient. You have…

A: Resting membrane potential (RMP) is defined ss the potential inside the cell when the cell is in…