Biochemistry - Cell Signalling and Transduction

Why Biochemistry Cell Signalling and Transduction?

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Exercise :: Cell Signalling and Transduction - Section 1

  • Cell Signalling and Transduction - Section 1
1. 

Small charged molecules, often biogenic amines function as

A. hormones
B. neurotransmitters
C. both (a) and (b)
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

SH2 domains specifically bind to

A. phosphorylated serine residues
B. phosphorylated tyrosine residues
C. GDP
D. Ca2+

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

3. 

In paracrine signaling, the signaling molecules affects only

A. target cells close to the cell from which it was secreted
B. target cells distant from its site of synthesis in cells of an endocrine organ
C. both (a) and (b)
D. none of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

4. 

Simple nerve reflexes use signaling molecules called

A. neurotransmitters
B. nitric oxides
C. G proteins
D. proteases

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

Which of the following is not a type of signaling molecule?

A. Testosterone
B. Insulin
C. Thyroxin
D. Adenylate cyclase

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.