Consider the following two statements:
I: | Enzyme catalyzed reactions are affected by the change in the temperature and pH. |
II: | Change in pH and temperature affects the tertiary structure of proteins. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | I is correct but II is incorrect |
4. | I is incorrect but II is correct |
Consider the given two statements:
I: | Lipids come under acid insoluble fraction. |
II: | Lipids are macromolecules. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | I is correct but II is incorrect |
4. | I is incorrect but II is correct |
Consider the given two statements:
I. The term ‘carbohydrate’ meaning ‘hydrated carbon’ is a misnomer.
II. In the synthesis of such molecules, a water molecule is simply attached to each carbon atom.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Consider the given two statements:
I: | In competitive enzyme inhibition, the substrate and inhibitor cannot bind to the enzyme at the same time. |
II: | The inhibitor always has a much higher affinity for the active site than the normal substrate. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | I is correct but II is incorrect |
4. | I is incorrect but II is correct |
In the DNA double helix:
I: | At each step of ascent, the strand turns 34º. |
II: | The rise per base pair would be 0.36 nm. |
1. | Only I is correct |
2. | Only II is correct |
3. | Both I and II are correct |
4. | Both I and II are incorrect |
The substrate has to go through a higher energy state or transition state during its conversion to a product in:
I: | Exothermic spontaneous reactions |
II: | Endothermic reactions |
III: | Enzyme catalyzed reactions |
1. | Only I and II |
2. | Only I and III |
3. | Only II and III |
4. | I, II, and III |
Regarding RuBisCO:
I: | It is the most abundant protein in the whole of the biosphere. |
II: | Mg2+ is its activator |
1. | Only I is correct |
2. | Only II is correct |
3. | Both I and II are correct |
4. | Both I and II are incorrect |
Assertion (A): | Lipids are macromolecules |
Reason (R): | They have a molecular weight range of ten thousand Daltons and above. |
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. |
Assertion (A): | Dietary proteins are the source of essential amino acids. |
Reason (R): | All essential amino acids are aromatic. |
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. |
Assertion (A): | Low temperature destroys enzymatic activity. |
Reason (R): | Proteins are denatured when exposed to low temperatures. |
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. |