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MCQs

Total Questions : 101 | Page 5 of 11 pages
Question 41. Negative regulator of ethylene response is _________
  1.    LPS
  2.    CTR1
  3.    BAK1
  4.    MAPK
 Discuss Question
Answer: Option B. -> CTR1
Answer: (b).CTR1
Question 42. Steroid hormones receptor binds to _____________
  1.    Hormone response elements in m-RNA
  2.    Hormone response elements in DNA
  3.    Hormone response elements in proteins
  4.    Ribosomes to stimulate translation
 Discuss Question
Answer: Option B. -> Hormone response elements in DNA
Answer: (b).Hormone response elements in DNA
Question 43. Mode of action of steroid hormones involve ______________
  1.    Stimulation of DNA replication
  2.    Stimulation of m-RNA transcription
  3.    Inhibition of protein synthesis
  4.    Secondary messenger
 Discuss Question
Answer: Option B. -> Stimulation of m-RNA transcription
Answer: (b).Stimulation of m-RNA transcription
Question 44. What is the drug antagonist of estrogen?
  1.    Tanoxifen
  2.    Metformin
  3.    Glucophage
  4.    Victoza
 Discuss Question
Answer: Option A. -> Tanoxifen
Answer: (a).Tanoxifen
Question 45. Which drug is used to terminate early pregnancies?
  1.    RU486
  2.    Metformin
  3.    Glucophage
  4.    Victoza
 Discuss Question
Answer: Option A. -> RU486
Answer: (a).RU486
Question 46. Plasma membrane protein predicted to have seen 7 transmembrane helices segment binds __________
  1.    Progesterone
  2.    Thyroid stimulating hormone
  3.    Insulin
  4.    Follicle stimulating hormone
 Discuss Question
Answer: Option A. -> Progesterone
Answer: (a).Progesterone
Question 47. Which of the following statements regarding cyclins is not correct?
  1.    They can become linked to ubiquitin
  2.    They catalyze the phosphorylation of protein
  3.    They contain a specific amino acid sequence that target them for proteolysis
  4.    They are activated and degraded during cell cycle
 Discuss Question
Answer: Option D. -> They are activated and degraded during cell cycle
Answer: (d).They are activated and degraded during cell cycle
Question 48. Which of the following statements regarding cyclin-dependent protein kinase is not correct?
  1.    Their activity is regulated by cyclins
  2.    They can alter the activity of proteins involve in the progression of cells through cell cycle
  3.    Their activity fluctuates during cell cycle
  4.    Each type of cell contains one specific form
 Discuss Question
Answer: Option C. -> Their activity fluctuates during cell cycle
Answer: (c).Their activity fluctuates during cell cycle
Question 49. In which phase of cell cycle is DNA replicated?
  1.    G₁ phase
  2.    S phase
  3.    G₂ phase
  4.    M phase
 Discuss Question
Answer: Option B. -> S phase
Answer: (b).S phase
Question 50. Cdk2/cyclinE functions in ____________
  1.    G₂/M transition
  2.    G₂
  3.    M
  4.    G₁/S transition
 Discuss Question
Answer: Option D. -> G₁/S transition
Answer: (d).G₁/S transition

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