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. |
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
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 |