There is a short delay in the action potential in the nerve terminal to the membrane depolarization in postsynaptic cell. Why does this occur?

Q: What is the difference between an excitatory postsynaptic potential and an inhibitory postsynaptic…

A: Postsynaptic potentials are changes within the membrane potential of the postsynaptic terminal of a…

Q: (c) 20 No. of observations 18 642 14 10 8 6 4 2 O 0 0.4 2 3 15 6 0.8 1.2 1.6 2.0 2.4 Endplate…

A: Action potential is the nerve impulse or the change in voltage (membrane potential) across the…

Q: Why don't postsynaptic membranes continue to depolarize after a neurotransmitter binds to their…

A: Pre stnaptic cell secretes the neurotransmitter in the synaptic cleft. This neuro transmitter binds…

Q: How do the two types of postsynaptic potentials differ?

A: Potential refers to the electric charge carried by the membrane. Transmission of nerve impulses…

Q: Explain why a single action potential reaching a synapse is unlikely to trigger an action potential…

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

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: Describe saltatory conduction of an action potential

A: Action potentials are typically electrical signals, which serves to transmit a signal or message…

Q: Unmyelinated axons conduct action potentials without decrement, but when myelinated axons lose…

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: When ionotropic receptors allow the influx of ions, the postsynaptic cell depolarizes. When they…

A: The neurons are the cells of nervous system that has the conducting capability. The nerve impulse…

Q: Explain the Activation of the Postsynaptic Cell?

A: The nervous tissue can be found everywhere in the body, starting from the peripheral parts of the…

Q: What is an excitatory postsynaptic potential?

A: An Excitatory postsynaptic potential (EPSP)  is a temporary post synaptic membrane caused by the…

Q: What does summation mean when we talk of postsynaptic potentials? When is summation non-linear?

A: Introduction  Postsynaptic potentials are those that usually occur as a result of alterations near…

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

A:

Q: Describe the process of Activation of the Postsynaptic Cell?

A: The neuron or a body cell that receives signals from a transmitting neuron is called a postsynaptic…

Q: saltatory conduction.

A: Saltatory conduction occurs widely in the myelinated nerve fibers of vertebrates. It involves the…

Q: Explain the Activation of the Postsynaptic Cell?

A: We can say that nervous tissue can be found everywhere in the body, starting from the peripheral…

Q: Inhibitory postsynaptic potentials cause what type of change at the post-synaptic membrane?

A: Excitatory  Neuron excites their target post synaptic neurones  or target cells causing it to…

Q: What is a typical value for an inhibitory post synaptic potential?  Why is it inhibitory?

A: An inhibitory post synaptic potential is a kind of synaptic potential that makes a postsynaptic…

Q: ou observe that a neuron treated with a metabolic inhibitor which prevents ATP generation still can…

A: Neurons are the basic unit of the nervous system. The lipid bilayer is selectively permeable and is…

Q: more channels may lead to an even larger depolarization, up to a point. Then the depolarization…

A: Normally the Nerve cell remains in resting stage untill it gets stimulus .Nerve cell regulates…

Q: If sodium and potassium ions are both positively charged, what causes the negative membrane…

A: Resting membrane potential is defined as the difference in the electric potential across the plasma…

Q: What is a typical value for an inhibitory post synaptic potential? Why is i inhibitory?

A: An inhibitory postsynaptic potential is a kind of synaptic potential that makes a postsynaptic…

Q: Explain how stimulation of a postsynaptic cell is stopped.

A: Electrical signals travel through the dendrites to trigger a nerve impulse, also known as an action…

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: How do neurotransmitters directly affect the postsynaptic neuron? A)They cause a change in the…

A:

Q: shortly explain why exactly does hyperpolarization in inhibitory synapses stop action potentials…

A: Neurotransmitter, likewise called neuronal intersection, the site of transmission of nerve impulses…

Q: What causes depolarization of a neuron membrane potential

A: Neurons are the cells of the  nervous system . They are excitable cells and can conduct electrical…

Q: Assume a neuron is at rest and the following changes happen: Step 1: Neurotransmitter binds to an…

A: Neurotransmitters are compounds secreted from neurons at the synapse. The neurotransmitters can…

Q: During extreme dehydration, plasma K* can increase to as high as 10 mM. (A) What would the membrane…

A: Introduction  When you use or lose more fluid than you consume, your body becomes dehydrated because…