Category of aromatic amino acids include all except
1. Serine
2. Tyrosine
3. Phenylalanine
4. Tryptophan
Select the incorrect statement.
1. Dietary proteins are the source of essential amino-acids.
2. Concanavalin A is a lectin and is considered a secondary metabolite
3. Cellulose, inulin, starch and glycogen are homopolymers of glucose
4. Phosphodiester bonds are a characteristic feature of both RNA and DNA
Read the following and choose the correct option
A : Chitin is a homopolysaccharide
B : Cellulose consists of -D glucose
1. A is correct B is wrong
2. A is wrong, B is correct
3. Both A and B are correct
4. Both A and B are wrong
Choose the incorrect match.
1. |
Arachidonic acid |
- |
20C fatty acid including carboxyl carbon |
2. |
Lecithin |
- |
Phospholipid found in cell membrane |
3. |
Cytidine |
- |
Nitrogenous base of DNA |
4. |
Vinblastin |
- |
Secondary metabolite used as anti-cancer drug |
A basic amino acid among the following is
1. Glutamate
2. Aspartate
3. Lysine
4. Valine
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
Match the following :
(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)
Category of enzymes that includes all enzymes catalysing interconversion of optical, geometric or positional isomers are called
1. Lyases
2. Ligases
3. Isomerases
4. Transferases
The reaction, is catalyzed by a/an
1. Transferase
2. Hydrolase
3. Lyase
4. Isomerase
The primary structure of a polypeptide has
1. Interchain disulphide bonds
2. Peptide bonds
3. H-bonds
4. Glycosidic bonds