1) The binding of a neurotransmitter to a fast ligand-gated channel may change a

ID: 3509242 • Letter: 1

Question

1) The binding of a neurotransmitter to a fast ligand-gated channel may change a cell's membrane potential for seconds.

True or False?

2) Substances that promote inflammation include __________.

a) histamine

b) prostagladins

c) steroids

d) aspirin

Answers a, b, and c are correct.

Answers a and b are correct?

3) The insulin receptors of a person with type I diabetes (lacking the insulin-producing beta cells of the pancreas) will be down-regulated.

True or False

4)The second messenger DAG __________.

a) is membrane bound

b) triggers the release of calcium from endoplasmic reticulum.

c) opens ion channels

d) binds to calmodulin

1. True.

2. Prostaglandins and histamine promote inflammation but steroids and aspirins medicine are anti inflammatory.

3. True.

4. Last will edit.

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