A basic amino acid among the following is

1. Glutamate

2. Aspartate

3. Lysine

4. Valine

Subtopic:  Amino Acids |
 90%
Level 1: 80%+
Hints
Links

Consider the following statements:

(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group
(B) A complete catalytic enzyme with its bound prosthetic group is called apoenzyme

Select the correct option

1. (A) is False but (B) is True

2. Both (A) and (B) are True

3. (A) is True but (B) is False

4. Both (A) and (B) are False

Subtopic:  Enzyme Cofactors |
Level 3: 35%-60%
NEET - 2019
Hints

Match the following :

Column I Column II
(a) Aquaporin (i) Amide
(b) Asparagine (ii) Polysaccharide
(c) Abscisic acid (iii) Polypeptide
(d) Chitin (iv) Carotenoids

Select the correct option :

1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
3. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
4. (a)-(iii), (b)-(i), (c) -(ii), (d)-(iv)
Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 85%
Level 1: 80%+
Hints

advertisementadvertisement

Nucleic acids exhibit

1. Secondary structure
2. Tertiary structure
3. Quaternary structure
​​​​​​
4. Both (2) & (3)
Subtopic:  The DNA |
 53%
Level 3: 35%-60%
Hints
Links

 If the sequence of bases in one of the DNA strand is is A G G A G A A, then the sequence of bases in the other complementary strand of DNA would be

1. C C T T C T T

2. T C T C T C C

3. T C C T C T T

4. C C T C T C T

Subtopic:  The DNA |
 94%
Level 1: 80%+
Hints
Links

In B-DNA, one full turn of the helical strand contains

1. 11 base pairs 2. 8 base pairs
3. 10 base pairs 4. 9 base pairs
Subtopic:  The DNA |
 91%
Level 1: 80%+
Hints
Links

advertisementadvertisement

In which of the following energy is released?

1. Conversion of glucose into pyruvate
2. Formation of proteins from amino acids
3. Conversion of glucose into lactic acid
4. Both (1) & (3)
Subtopic:  The DNA |
 83%
Level 1: 80%+
Hints

Which of the following is not strictly a biomacromoles?

1. Proteins

2. Lipids

3. Polysaccharides

4. Nucleic acid

Subtopic:  Element Analysis | Introduction |
 93%
Level 1: 80%+
Hints
Links

A secondary metabolite that is alkaloid in nature is

1. codeine

2. Anthocyanin

3. Gum

4. Abrin

Subtopic:  Element Analysis |
 81%
Level 1: 80%+
Hints
Links

advertisementadvertisement

Zwitterions are ionized species of

1. Acidic amino acids

2. Basic amino acids

3. Neutral amino acids

4. All of these

Subtopic:  Amino Acids |
 64%
Level 2: 60%+
Hints
Links