Q. No.
When we homogenize any tissues in an acid the acid soluble pool represents
| 1. | Cytoplasm | 2. | Cell membrane |
| 3. | Nucleus | 4. | Mitochondria |
Consider the following statements:
I: Glycine is the simplest amino acid, with a hydrogen atom as its side chain (R group).
II: Tryptophan is an aromatic amino acid.
III: Lysine is an acidic amino acid.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Which of the following is not an aromatic amino acid?
| 1. Phenylalanine | 2. Threonine |
| 3. Tyrosine | 4. Tryptophan |
Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammonium ion. An amino acid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called
| 1. | Positively charged form | 2. | Negatively charged form |
| 3. | Neutral form | 4. | Zwitter ionic form |
An amino acid that is negative charged amongst the following will be:
| 1. Glutamic acid | 2. Lysine |
| 3. Arginine | 4. Histidine |
| 1. | Lysine | 2. | Histidine |
| 3. | Arginine | 4. | Valine |
| Column I [Component] |
Column II [% of the total cellular mass] |
| A. Protein | P. 2 |
| B. Carbohydrates | Q. 1 |
| C. Lipids | R. 5-7 |
| D. Nucleic acids | S. 3 |
| T. 10-15 | |
| U. 70-90 |
Codes:
| A | B | C | D | |
| 1. | U | P | R | Q |
| 2. | T | S | P | R |
| 3. | T | P | S | R |
| 4. | P | Q | R | S |
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