what happens to the conduction velocity of an axon that is isometrically twice as  big as another axon

Q: When serotonin blocks potassium channels on the presynaptic terminal, what is the effect on…

A: Neurotransmitters are chemicals responsible for carrying a signal or an impulse via a synapse. They…

Q: What is one reason why most neurons are amiotic?

A: Neurons or nerve cells are cells within the nervous system that transmit information to other nerve…

Q: which is not true of neurotransmitters?

A: Nervous system:       It is the most complex system in a human body that performs it's functions by…

Q: Does mylination or axon diameter have a greater effect on speed of an impulse?

A: Introduction  Complex organisms such as Multicellular organisms needs control and coordination…

Q: Why are impulses transmitted more quickly down a myelinated axon than down an unmyelinated axon?

A: A neuron with myelin sheath can conduct impulse faster than the neurons which are without the myelin…

Q: What is the function of the sodium-potassium pump during the nerve impulse transmission? Which is…

A: Many cell (plasma) membranes contain the sodium–potassium pump. The pump is powered by ATP and…

Q: What is secreted at axon terminals?

A: Axon terminals are present at the end of the axon of a neuron. These are tiny swellings that are…

Q: Describe mechanisms by which synaptic transmission is rapidly stopped. Why is it important that…

A: The termination of neurotransmitters can occur in three ways: reuptake, enzymatic breakdown in the…

Q: Describe three mechanisms that stop synaptic transmission.

A: Synaptic transmission enables neurons to interact with any sort of cell, provided that a given…

Q: When proteins are needed in the presynaptic terminal, they must be made in the neurosoma, which is…

A: The protein synthesized machinery the ribosomes etc are located in the cell body or neurosoma thus…

Q: What are the effects of neurotransmitters in synaptic transmission

A: The microscopic gap present between terminal end of axon of one neurone and dendron  or axon or cell…

Q: The difference between the channels along the axon and the channels in the axon terminal is that?…

A: In the realm of neuronal communication, various ion channels play essential roles in transmitting…

Q: If an excitatory neurotransmitter binds to the post-synaptic neuron, what type of an event will that…

A:

Q: What happens at the nodes of Ranvier in a myelinated axon?

A: Introduction: Myelinated axons have microscopic gaps within them called nodes of Ranvier. These gaps…

Q: What do you mean by axon?

A: The NEURON is the basic working unit of the brain, a specialized cell designed to transmit…

Q: Why does a myelinated axon conduct action potentials faster than a nonmyelinated axon?

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit…

Q: what is the function of cholinesterase in the synapse?

A: The transmission of impulses within the nerve cell is a result of coordinating changes in cell…

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: Explain the structure of the axon.

A: Neurons or nerve cells are the basic structural and functional unit of the brain. Brain tissue…

Q: In what direction does a message move in a neuron?

A: The neurons are the basic cells or units of the brain. These specialized cells have been developed…

Q: Why is saltatory conduction along a myelinated axon faster than continuous conduction along an…

A: The cell body comprises the nucleus and other cell organelles. Dendrites expand from the cell body…

Q: If the middle of an axon were depolarized to threshold, in which direction could the action…

A: Neurons are the basic unit of the nervous system. They are involved in the transmission of nerve…

Q: What are the differences between myelinated and unmyelinated axons? Which conducts axon potentials…

A: Neurons(nerve cells) are defined as the specialized cell which acts as the fundamental unit of brain…

Q: List the location of Axon?

A: Introduction  The basic unit of the nervous system is the nerve cell or neuron. Neuron: A neuron is…

Q: A damaged axon in the PNS may be able to regenerate only if the cell body is intact. why do you…

A: A neuron comprises many dendrites and each of them has one axon, which is also known as the nerve…

Q: conduction velocity in an axon depends on which of the following? a) how much myelin the axon has…

A: Conduction velocity in an axon refers to the velocity of the nerve impulse carrying messages from…

Q: What is the role of calcium in neuronal communication at the axon terminal?  What would be prevented…

A: The transmission of nerve impulse from one neuron to the next neuron occurs at the axon terminal…

Q: What are the structural and functional differences of Type A, Type B, and Type C axons?

A: Neurons are the structure that play vital role in transmission of nerve impulse . It comprises of…

Q: What type of polarizing event will occur?and What happen at the axon hillock?

A: Introduction  Information is transmitted via neurons. They communicate between various brain regions…

Q: An action potential does not get smaller as it propagates along an axon. Why not?

A: The nervous system has the control for the conduction of the electrical impulses from the…

Q: How does a signal cross the synaptic cleft?

A: The neurons communicate with each other by propagating action potentials. Action potentials are…

Q: How is an action potential propagated down an axon?

A: Axon is the part of the neuron that is the elongated structure of the nerve cell. It is principally…