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matrenka [14]
3 years ago
6

In terms of generating a depolarizing or hyperpolarizing graded potential on a postsynaptic cell, what do you think will be the

most important factor?
Biology
1 answer:
mamaluj [8]3 years ago
6 0

Answer:

The type of ion channel opened will be the most important factor.

Explanation:

At certain occasions a given neurotransmitter can combine with a K+ chemically gated channel and at certain occasions the same neurotransmitter can combine with a Na+ chemically gated channel. Thus, the same neurotransmitter can produce depolarization if it opens the Na+ channel and a hyper-polarization if it opens the K+ channel.  

In these situations, the structural make-up and sensitivity of the postsynaptic cell really determines if the neurotransmitter will inhibit (depolarize) or excite (depolarize) the postsynaptic cell. It is more essential to know the kind of channel, which opens than the particular identity of the neurotransmitter.  

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(4.01 MC)Which method best describes how an organism regulates blood glucose levels after consumption of a large meal
lara31 [8.8K]

Question is incomplete i have added complete question in ask for detail section and at the end of this question.

Answer:

b. using negative feedback to decrease blood glucose levels

Explanation:

When the level of glucose increases in the blood and become higher than the normal level a negative feedback mechanism is initiated under the control of hypothalamus. which increase the metabolism of excessive glucose level present in blood and hence results in decrease or normalization of glucose level in blood.

Reference: Mayer, Jean. "Glucostatic mechanism of regulation of food intake." New England Journal of Medicine 249.1 (1953): 13-16.

Complete question

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