- 1(current)
Q. No.A Zwitterionic amino acid at physiological pH contains:
| 1. | A single phosphate group carrying charge |
| 2. | Only neutral amino and carboxyl groups |
| 3. | Multiple methyl groups with no charge |
| 4. | Both positive NH₃⁺ and negative COO⁻ groups |
Subtopic: Amino Acids |
95%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following combinations of statements is CORRECT regarding amino acids?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III only
| (I) | α-amino acids are organic compounds containing an amino group and an acidic group as substituents on the same carbon. |
| (II) | There are only twenty types of amino acids in total. |
| (III) | Tyrosine, phenylalanine, and tryptophan are aromatic amino acids. |
1. I and II only
2. I and III only
3. II and III only
4. I, II and III only
Subtopic: Amino Acids |
Level 3: 35%-60%
Please attempt this question first.
Hints
Consider the given two statements:
1. Both A and B are correct and B explains A
2. Both A and B are correct but B does not explain A
3. Only A is correct
4. Only B is correct
| A: | Dietary proteins are the source of essential amino acids. |
| B: | Humans cannot synthesise any amino acids. |
1. Both A and B are correct and B explains A
2. Both A and B are correct but B does not explain A
3. Only A is correct
4. Only B is correct
Subtopic: Amino Acids |
90%
Level 1: 80%+
Please attempt this question first.
Hints
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.