Q. No.β amyloid peptides are associated with the pathology of:
1. CJD
2. Alzheimer’s disease
3. Parkinson’s disease
4. Huntington’s disease
1. CJD
2. Alzheimer’s disease
3. Parkinson’s disease
4. Huntington’s disease
Papain is a popular ingredient in meat tenderizer. Meat coated with tenderizer if kept in a refrigerator for some time. What is the expected effect on the enzyme activity?
| 1. | Increases | 2. | Remains same |
| 3. | Decreases | 4. | Lost |
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Consider the given two statements:
| I. | Absence of secondary metabolites does not result in immediate death, but rather in a long-term impairment of the organism's survivability. |
| II. | Secondary metabolites often play an important role in plant defense against herbivory and other interspecies defenses. |
| 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 |
The metabolic process by which fatty acids are broken down to generate acetyl-CoA occurs in:
1. Mitochondria and Peroxisomes
2. Mitochondria and Chloroplasts
3. RER and Golgi apparatus
4. SER and Golgi apparatus
Consider the given two statements:
| I: | Sucrose is a non-reducing sugar. |
| II: | Sucrose is a disaccharide. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
What linkage is shown in the following figure [indicated by an arrow]?
| 1. β-1,4-glycosidic bond 2. α-1,4-glycosidic bond 3. α-1,β-4-glycosidic (head-to-head) linkage 4. α-4,β-1-glycosidic (head-to-head) linkage |
 |
If the concentration of enzymes 1 and 2 are increased but the concentration of enzyme 3 is decreased, the rate of formation of D will:
| 1. | Decreases | 2. | Increases |
| 3. | Remains same | 4. | First increase and then decrease |
Consider the given two statements:
| I. | The rate determining step for an enzyme-substrate reaction is always the second step in which [ES] is converted into the product. |
| II. | Once the enzyme performs its duty, it is free to do more work. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
In the given diagram showing two helices A and B:
| 1. | A is left handed helix and B is right handed helix |
| 2. | A is right handed helix and B is left handed helix |
| 3. | Both are right handed helices |
| 4. | Both are left handed helices |
An enzyme catalyzed reaction has a △G of -30 Kcal/mol. The amount of enzyme is doubled. What will be the △G for the new reaction?
| 1. | -60 kcal/mol | 2. | -30 kcal/mol |
| 3. | +30 kcal/mol | 4. | +60 kcal/mol |
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