Choose two false statements and explain why? Toxin causes voltage-gated sodium channels to open at a lower voltage toxin slows down the inactivation of sodium channels toxin causes ligand-gated sodium channels to open toxin causes voltage-gated potassium channels to open faster

Q: Patch clamping is a technique to record the electrical potential or to measure currents generated by…

A: Tetrodotoxin is an extremely robust poison (toxin) discovered in particular within the liver and sex…

Q: Graded (Local) Potentials All or none Do not reach threshold Change in RMP Size depends on size of…

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

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: After discussing his case with his physician, he learned that he had probably been the victim of…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first 3…

Q: How does a voltage clamp work?

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

Q: The sodium inactivat

A: Answer  This graph shows the generation of Action Potential. Action potential is a sequence of…

Q: Figure 1 shows a schematic of an action potential. How do voltage-gated sodium channels contribute…

A: A neuron can take input from the other neurons and, if the input is powerful enough, convey the…

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: Which of the following statements about voltage gated channels is true? Voltage-gated…

A: The action potential generates when a rapid rise and a subsequent fall in membrane potential occurs…

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: TRUE OR FALSE   Depolarization of the rod cell membrane causes increased neurotransmitter release.

A: Rod cells release more of their neurotransmitter when they are depolarized. This happens because…

Q: In an experiment, the extracellular [Na+] surrounding a nerve cell was reduced from 145 to 45 mM.…

A: In the presence and absence of an impulse, the nerve cells exist in two states known as action…

Q: Drag the labels to the appropriate location in the figure. Voltage gated Ca²+ channels Chemically…

A: Neuron is the cell of the nervous system. A neuron is an electrically excitable cell that has the…

Q: What would happen if the drug blocked K+ channels instead?

A: The body's systemic functioning is due to the communication between different cells that occur,…

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: Order the following in the correct sequence that results in generation of action potential

A: An action potential is primarily known as a sudden, rapid, propagating, and transitory change of the…

Q: The graph shows a tracing of membrane potential change during the course of an action potential in a…

A: :Both graded potential and action potential are able to generate membrane depolarizations of the…

Q: Which of the following events correctly ranks steps in an action potential? 1. Voltage-gated sodium…

A: Electrical signals are how neurons communicate. Electrical signals are generated when there is a…

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

A: Action potential is a kind of impulse that arises due to the stimulation of the neuron. It consists…

Q: The plasma membrane of the giant squid axon becomes depolarized in response to action potential.…

A: The giant squid axon is the largest axin present in it. The diameter of the axon is 1.5 mm. The axon…

Q: ligand gated sodium channels Na+/K+ Atpase opening of sodium channels

A: Because of the high concentration of sodium ions towards the outside of the cell or in the ecf…

Q: What is the arrow identifying in the picture below? soma dendrite action potential axons axon…

A: Neurons are the basic structural and functional units of the nervous system. Neurons are also known…

Q: Explain how the transmission of an action potential would be impacted if voltage- gated calcium…

A: The transmission of nerve impulse from one neuron to the next neuron occurs at the synapse that is…

Q: It will be more difficult for the student’s neurons to generate action potentials The student’s…

A: Tetrodotoxin is a sodium channel blocker that also prevents the firing of action potential in…

Q: Below is a figure from a 2015 paper that characterizes the effect of venom from the spider…

A: I-V curves are used to study the relationship between the voltage and current in the study of ion…

Q: Axon can't branch Afferent neurons are generally bipolar neurons Most neurotransmitters are…

A: The structural and functional unit of the nervous system is the neuron. These nerve cells are not…

Q: Synaptic cleft :-a- is the space between two synapses on the surface of neuronsb- allow diffusion of…

A: When an action potential reaches the terminus of an axon, it is transmitted from one neuron to…

Q: What proteins are responsible for the decrease of membrane potential in section 3? opening of…

A: Membrane potential is the difference in electric between the interior and the exterior of a…

Q: Stimuli below this intensity will result in no response in a neuron. Resting Membrane Potential…

A: Neurons may respond to stimuli (such as touch, sound, or light), conduct impulses, and interact with…

Q: An action potential is regarded as an example of positive feedback. Which of the following examples…

A: Introduction: Voltage or membrane potential rapidly rises across a cellular membrane with a specific…

Q: Which protein is responsible for the increase of membrane potential in section 2 potassium leak…

A: opening of ligand gated sodium channels Na+/K+ Atpase.

Q: Acetylcholine molecules are actively transported from the axon to their receptors on the muscle…

A: Hi! As you have posted multiple questions, I will be answering the first question for you. If you…

Q: Some have compared the "all or none" action potential to flushing a toilet. The relative refractory…

A: The all-or-none law is a principle that states, there will either be a full response or there will…

Q: Some have compared the "all or none" action potential to flushing a toilet. The absolute refractory…

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

Q: Order the following events that occur during a nerve impulse.     a few milliseconds behind the Na…

A: Order of nerve impulse events are :-

Q: Axons have diameters of _________ and do not _______.     0.4µm to 1mm, contain microtubules…

A: Axons are the long, thin fibers that carry electrical impulses away from the cell body of a neuron.…