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Total Questions : 173 | Page 9 of 18 pages
Question 81. Which of the following hydrolyzes successive amino-terminal residues from short peptides?
  1.    Aminopeptidase
  2.    Enteropeptidase
  3.    Glutamine synthase
  4.    Glutamate dehydrogenase
 Discuss Question
Answer: Option A. -> Aminopeptidase
Answer: (a).Aminopeptidase
Question 82. The first amino group entering into urea cycle is
  1.    Carbomyl phosphate
  2.    Ornithine
  3.    Cituilline
  4.    Argininosuccinate
 Discuss Question
Answer: Option A. -> Carbomyl phosphate
Answer: (a).Carbomyl phosphate
Question 83. The first enzyme in the pathway carbamoyl phosphate synthase I, is allosterically activated by
  1.    N-acetylglutamate
  2.    Acetyl coA
  3.    Glutamate
  4.    Carbamoyl phosphate
 Discuss Question
Answer: Option A. -> N-acetylglutamate
Answer: (a).N-acetylglutamate
Question 84. Urea production occurs almost exclusively in
  1.    Kidneys
  2.    Liver
  3.    Blood
  4.    Urine
 Discuss Question
Answer: Option B. -> Liver
Answer: (b).Liver
Question 85. A second amino group is transferred to cituilline from
  1.    Aspartate
  2.    Glutamate
  3.    Alanine
  4.    Guanine
 Discuss Question
Answer: Option A. -> Aspartate
Answer: (a).Aspartate
Question 86. What are the inputs to one cycle of urea cycle?
  1.    One molecule of CO₂, one molecule of ammonia, three molecule of ATP and one molecule of aspartic acid
  2.    One molecule of urea, one molecule of AMP, two molecule of ADP and one molecule of fumaric acid
  3.    One molecule of aspartic acid, one molecule of ammonia, one molecule of ATP and one molecule of fumaric acid
  4.    Two molecules of urea, two molecules of ammonia, one molecule of ATP and one molecule of fumaric acid
 Discuss Question
Answer: Option A. -> One molecule of CO₂, one molecule of ammonia, three molecule of ATP and one molecule of aspartic acid
Answer: (a).One molecule of CO₂, one molecule of ammonia, three molecule of ATP and one molecule of aspartic acid
Question 87. Which of the following amino acids are exclusively ketogenic?
  1.    Leucine
  2.    Asparagine
  3.    Threonine
  4.    Proline
 Discuss Question
Answer: Option A. -> Leucine
Answer: (a).Leucine
Question 88. Which of the following are exclusively glucogenic?
  1.    Arginine
  2.    Leucine
  3.    Lysine
  4.    Threonine
 Discuss Question
Answer: Option A. -> Arginine
Answer: (a).Arginine
Question 89. Which of the following yield acetyl coA directly?
  1.    Phenylalanine
  2.    Isoleucine
  3.    Lysine
  4.    Alanine
 Discuss Question
Answer: Option B. -> Isoleucine
Answer: (b).Isoleucine
Question 90. Which of the following yield acetyl co-A via aceto-acetyl co-A?
  1.    Leucine
  2.    Isoleucine
  3.    Threonine
  4.    Alanine
 Discuss Question
Answer: Option A. -> Leucine
Answer: (a).Leucine

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