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Four respiratory enzymes are given below. Arrange them in increasing order of the carbon number of the substrates on which they act.

  1. Enolase
  2. Aconitase
  3. Fumarase
  4. Alcohol Dehydrogenase

a)

II, IV, III, I

b)

IV, I, II, III

c)

I, IV, III, II

d)

IV, I, III, II


Question ID - 4881 | SaraNextGen Top Answer

Four respiratory enzymes are given below. Arrange them in increasing order of the carbon number of the substrates on which they act.

  1. Enolase
  2. Aconitase
  3. Fumarase
  4. Alcohol Dehydrogenase

a)

II, IV, III, I

b)

IV, I, II, III

c)

I, IV, III, II

d)

IV, I, III, II

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Enolase works on 2-phosphoglyceric acid (3C-compound), Aconitase on citric acid (6C-compound). Fumerase on Fumaric acid (4C-compound) and alcohol dehydrogenase on acetaldehyde (2C-compound). Thus, increasing order of these enzymes based on the carbon number of the substrates on which they act is – IV, I, III, II.
127 votes

127
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