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MCQs

Total Questions : 154 | Page 14 of 16 pages
Question 131. Which of the following transfers malonyl group from co-A to ACP?
  1.    Acyl carrier protein
  2.    Acetyl co-A ACP transacetylase
  3.    Enoyl-ACP reductase
  4.    Malonyl co-A ACP transferase
 Discuss Question
Answer: Option D. -> Malonyl co-A ACP transferase
Answer: (d).Malonyl co-A ACP transferase
Question 132. Which of the following condenses acyl and malonyl groups?
  1.    Acyl carrier protein
  2.    Acetyl co-A ACP transacetylase
  3.    β-ketoacyl ACP synthase
  4.    Malonyl co-A ACP transferase
 Discuss Question
Answer: Option C. -> β-ketoacyl ACP synthase
Answer: (c).β-ketoacyl ACP synthase
Question 133. Which of the following reduces β-keto group to β-hydroxyl group?
  1.    β-ketoacyl ACP reductase
  2.    β-hydroxyacyl ACP dehydratase
  3.    Enoyl ACP reductase
  4.    Malonyl co-A ACP transferase
 Discuss Question
Answer: Option A. -> β-ketoacyl ACP reductase
Answer: (a).β-ketoacyl ACP reductase
Question 134. Which of the following removes H₂O from β-hydroxyl ACP, creating double bond?
  1.    β-ketoacyl ACP reductase
  2.    β-hydroxyacyl ACP dehydratase
  3.    Enoyl ACP reductase
  4.    Malonyl co-A ACP transferase
 Discuss Question
Answer: Option B. -> β-hydroxyacyl ACP dehydratase
Answer: (b).β-hydroxyacyl ACP dehydratase
Question 135. Dihydroxyacetone phosphate precursor of glycerol 3-phosphate is derived from
  1.    Glycerol
  2.    Triacylglycerol
  3.    Glycerol 3-phosphate
  4.    Pyruvate
 Discuss Question
Answer: Option D. -> Pyruvate
Answer: (d).Pyruvate
Question 136. Displacement of CMP through nucleophilic attack by the hydroxyl group of C-1 hydroxyl of glycerol 3-phosphate yields
  1.    Phosphatidyl serine
  2.    Phosphatidyl glycerol 3-phosphate
  3.    Phosphatidyl glycerol
  4.    Phosphatidylethanolamine
 Discuss Question
Answer: Option B. -> Phosphatidyl glycerol 3-phosphate
Answer: (b).Phosphatidyl glycerol 3-phosphate
Question 137. Displacement of CMP through nucleophilic attack by the hydroxyl group of serine yields
  1.    Phosphatidyl serine
  2.    Phosphatidyl glycerol 3-phosphate
  3.    Phosphatidyl glycerol
  4.    Phosphatidylethanolamine
 Discuss Question
Answer: Option A. -> Phosphatidyl serine
Answer: (a).Phosphatidyl serine
Question 138. Molecular formula of cholesterol is
  1.    C₂₇H₄₅OH
  2.    C₂₈H₄₅OH
  3.    C₂₉H₄₅OH
  4.    C₂₃H₄₅OH
 Discuss Question
Answer: Option A. -> C₂₇H₄₅OH
Answer: (a).C₂₇H₄₅OH
Question 139. Biological steroid derived from cholesterol is
  1.    Clenbuterol
  2.    Cortisol
  3.    Winstrol
  4.    Dianabol
 Discuss Question
Answer: Option B. -> Cortisol
Answer: (b).Cortisol
Question 140. Which of the following is involved in the bio-signaling pathway that includes membrane turnover and exocytosis?
  1.    Phosphatidylinositol
  2.    Phosphatidyl glycerol
  3.    Myoinositol
  4.    Phosphatidyl glycerol and myoinositol
 Discuss Question
Answer: Option A. -> Phosphatidylinositol
Answer: (a).Phosphatidylinositol

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