Q. No.The unique properties of each amino acid is determined by its particular:
1. R group
2. amino group
3. kinds of peptide bond
4. number of bonds to other amino acids
1. R group
2. amino group
3. kinds of peptide bond
4. number of bonds to other amino acids
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
| Column I | Column II | ||
| (a) | Alkaloid | (i) | Abrin |
| (b) | Toxin | (ii) | Morphine |
| (c) | Lectin | (iii) | Vinblastin |
| (d) | Drug | (iv) | Concanavalin A |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (ii) | (iv) | (iii) |
In general, with every 10oC rise in the temperature [in the range 0oC to 40oC], the rate of enzyme catalyzed reaction:
1. Becomes half
2. Gets doubled
3. Remains same
4. There is no such correlation in general
Low temperature:
1. Preserves enzyme in a temporary inactive state
2. Denatures the enzyme
3. Makes enzyme more active
4. Does not have any affect on enzyme activity
The non protein constituent present in many enzymes is called:
| 1. Co-enzyme | 2. Co-factor |
| 3. Apoenzyme | 4. Holoenzyme |
Haem in hemoglobin:
1. is loosely bound
2. is the co-enzyme
3. is the prosthetic group
4. has no influence on activity of Hb
What is the co-factor for the proteolytic enzyme, carboxypeptidase?
| 1. Molybdenum | 2. Manganese |
| 3. Zinc | 4. Copper |
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