Q. No.Amino acids exhibit amphoteric behavior as:
1. They can act both as an acid and as a base.
2. They can act only as an acid but not as a base.
3. They can act only as a base but not an acid.
4. None of the above.
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
95%
Level 1: 80%+
Hints
Which of the following links amino acids together in a protein ?
| 1. | β -glycosidic bond | 2. | Peptide bond |
| 3. | Dative bond | 4. | α -glycosidic bond |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
93%
Level 1: 80%+
NEET - 2016
Hints
The secondary structure of protein is represented by:
1. α-Helix structure
2. β-Pleated sheet structure
3. Both 1 and 2
4. None of the above
1. α-Helix structure
2. β-Pleated sheet structure
3. Both 1 and 2
4. None of the above
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
89%
Level 1: 80%+
Hints
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
86%
Level 1: 80%+
Hints
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
87%
Level 1: 80%+
Hints
α-helix structure of proteins is stabilized by :
| 1. | H-bonds formed between the −SH and C=O group. |
| 2. | H-bonds formed between the −NH and C=O group. |
| 3. | Ionic bonds formed between the −SH and C=O group. |
| 4. | Ionic bonds formed between the −NH and C=O group. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
86%
Level 1: 80%+
Hints
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
85%
Level 1: 80%+
Hints
The denaturation of proteins indicates:
| 1. | The primary structure of a protein is destroyed and the enzyme loses it's activity. |
| 2. | The primary structure of a protein is destroyed and the enzyme enhances it's activity. |
| 3. | The secondary and tertiary structures of a protein are destroyed and the enzyme loses it's activity. |
| 4. | The secondary and tertiary structures of a protein are destroyed and the enzyme enhances it's activity. |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
86%
Level 1: 80%+
Hints
The helical structure of a protein is stabilized by:
| 1. | Hydrogen bonds | 2. | Ether bonds |
| 3. | Peptide bonds | 4. | Dipeptide bonds |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
82%
Level 1: 80%+
AIPMT - 2004
Hints
In humans, the main oxygen carrier in the blood is -
1. Hemocyanin
2. Proteins
3. Haemoglobin
4. Both microorganisms and haemoglobin.
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
87%
Level 1: 80%+
NEET - 2017
Hints
© 2025 GoodEd Technologies Pvt. Ltd.