Assertion(A): The carbons lost as  \(CO_2\) in the Krebs cycle come directly from acetyl CoA.
Reason(R): These carbons are lost always and cannot be put to any use.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Kreb's Cycle |

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Refer to the schematic diagram of Krebs citric acid cycle given below:

How many of the enzymes involved in the pathway are dehydrogenases?
  
1. 2
2. 3
3. 4
4. 5

Subtopic:  Kreb's Cycle |
 54%

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Refer to the diagram given below:
 

Identify the incorrectly matched pair:

Reaction catalyzed

by enzyme no.

Type of reaction

1.

1

Aldol condensation

2.

3

Oxidative decarboxylation

3.

5

Substrate level phosphorylation

4.

7

Oxidation

Subtopic:  Kreb's Cycle |

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