The correct structure of the dipeptide glycyl valine is: 
 
1. 2.
3. 4.
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 50%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

What is the one-letter code for the amino acid Tyrosine?
1. 2.
3. 4.
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Which naturally occurring amino acid contains only one basic functional group?

1. Arginine
2. Lysine
3. Histidine
4. Isoleucine
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which is not a true statement:
 

1. α-carbon of α-amino acid is asymmetric except glycine.
2. Some proteins of human body are found in L-form
3. Human body can synthesize all proteins they need
4. At pH = 7 both amino and carboxylic groups exist in ionized form
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
AIPMT - 2002
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

The number of peptide bonds in the compound given below is:

 

1.  1

2.  2

3.  3

4.  4

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The structural feature that distinguishes proline from other natural α-amino acids is:
1. It is optically inactive.

2. It contains an aromatic group.

3. It is a dicarboxylic acid.

4. It is a secondary amine.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 52%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement

How many chiral center(s) is/are present in threonine?

1. Zero 2. One
3. Two 4. Three
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 60%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct?
1. D is the acidic amino acid - glutamic acid
2. C is an aromatic amino acid - tryptophan
3. A is the C-terminal amino acid and D is N terminal amino acid
4. A is the sulphur containing amino acid-methionine
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 56%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital