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MCQs

Total Questions : 121 | Page 6 of 13 pages
Question 51. SH2 domains specifically bind to
  1.    phosphorylated serine residues
  2.    phosphorylated tyrosine residues
  3.    GDP
  4.    Ca2+
 Discuss Question
Answer: Option B. -> phosphorylated tyrosine residues
Answer: (b).phosphorylated tyrosine residues
Question 52. Small charged molecules, often biogenic amines function as
  1.    hormones
  2.    neurotransmitters
  3.    both (a) and (b)
  4.    none of these
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 53. Which of the following is not a type of signaling molecule?
  1.    Testosterone
  2.    Insulin
  3.    Thyroxin
  4.    Adenylate cyclase
 Discuss Question
Answer: Option D. -> Adenylate cyclase
Answer: (d).Adenylate cyclase
Question 54. In paracrine signaling, the signaling molecules affects only
  1.    target cells close to the cell from which it was secreted
  2.    target cells distant from its site of synthesis in cells of an endocrine organ
  3.    both (a) and (b)
  4.    none of the above
 Discuss Question
Answer: Option A. -> target cells close to the cell from which it was secreted
Answer: (a).target cells close to the cell from which it was secreted
Question 55. Simple nerve reflexes use signaling molecules called
  1.    neurotransmitters
  2.    nitric oxides
  3.    G proteins
  4.    proteases
 Discuss Question
Answer: Option A. -> neurotransmitters
Answer: (a).neurotransmitters
Question 56. SH2 domains specifically bind to
  1.    phosphorylated serine residues
  2.    GDP
  3.    phosphorylated tyrosine residues
  4.    Ca2+
 Discuss Question
Answer: Option C. -> phosphorylated tyrosine residues
Question 57. In paracrine signaling, the signaling molecules affects only
  1.    target cells distant from its site of synthesis in cells of an endocrine organ
  2.    target cells close to the cell from which it was secreted
  3.    None of these
  4.    both (a) and (b)
 Discuss Question
Answer: Option B. -> target cells close to the cell from which it was secreted
Question 58. Small charged molecules, often biogenic amines function as
  1.    hormones
  2.    neurotransmitters
  3.    none of these
  4.    both (a) and (b)
 Discuss Question
Answer: Option D. -> both (a) and (b)
Question 59. Simple nerve reflexes use signaling molecules called
  1.    neurotransmitters
  2.    proteases
  3.    nitric oxides
  4.    G proteins
 Discuss Question
Answer: Option A. -> neurotransmitters
Question 60. Which of the following is not a type of signaling molecule?
  1.    Adenylate cyclase
  2.    Testosterone
  3.    Thyroxin
  4.    Insulin
 Discuss Question
Answer: Option A. -> Adenylate cyclase

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