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MCQs

Total Questions : 193 | Page 8 of 20 pages
Question 71. Boat and chair conformations are found
  1.    in pyranose sugars
  2.    in any sugar without axial -OH groups
  3.    in any sugar without equatorial -OH groups
  4.    only in D-glucopyranose
 Discuss Question
Answer: Option A. -> in pyranose sugars
Answer: (a).in pyranose sugars
Question 72. The NAG6 substrate is hydrolyzed by human lysozyme to form
  1.    6 glucosamines + 6 acetic acids
  2.    NAG4 + NAG2
  3.    NAG3 + NAG3
  4.    NAG3
 Discuss Question
Answer: Option B. -> NAG4 + NAG2
Answer: (b).NAG4 + NAG2
Question 73. The conversion of pyruvate to oxaloacetate
  1.    requires biotin
  2.    involves the fixation of carbon dioxide
  3.    occurs in the mitochondria
  4.    all of the above
 Discuss Question
Answer: Option A. -> requires biotin
Answer: (a).requires biotin
Question 74. Saliva contains all of the following except
  1.    hormones
  2.    amylase
  3.    bacteria-killing enzymes
  4.    antibodies
 Discuss Question
Answer: Option A. -> hormones
Answer: (a).hormones
Question 75. Gluconeogenesis uses
  1.    3 ATPs and 2 GTPs per glucose
  2.    2 ATPs and 1 GTPs per glucose
  3.    3 ATPs and 3 GTPs per glucose
  4.    4 ATPs and 2 GTPs per glucose
 Discuss Question
Answer: Option D. -> 4 ATPs and 2 GTPs per glucose
Answer: (d).4 ATPs and 2 GTPs per glucose
Question 76. What is present in the stomach to prevent self-digestion?
  1.    Mucus
  2.    acid
  3.    Enzymes
  4.    hormones
 Discuss Question
Answer: Option A. -> Mucus
Answer: (a).Mucus
Question 77. Which of the following can act as precursors for gluconeogenesis?
  1.    Lactate
  2.    Glycerol
  3.    Alanine
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 78. The conversion of pyruvate to lactate is catalysed by
  1.    pyruvate carboxylase
  2.    lactate dehydrogenase
  3.    pyruvate dismutase
  4.    pyruvate decarboxylase
 Discuss Question
Answer: Option B. -> lactate dehydrogenase
Answer: (b).lactate dehydrogenase
Question 79. A-amylose is similar to
  1.    β-sheets
  2.    β-turned coils
  3.    α-helices
  4.    the hydrophobic core
 Discuss Question
Answer: Option C. -> α-helices
Answer: (c).α-helices
Question 80. Storage polysaccharide made by animals is
  1.    amylopectin
  2.    glycogen
  3.    cellulose
  4.    collagen
 Discuss Question
Answer: Option B. -> glycogen
Answer: (b).glycogen

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