Which element is present negligible in human body?
1. O
2. C
3. H
4. Si
The simplest amino acid
(1) Glycine
(2) Alanine
(3) Serine
(4) Tyrosine
Adenine is
1. | A nucleoside | 2. | A nucleotide |
3. | A purine base | 4. | A pyrimidine base |
A nucleotide is composed of
(1) A nitrogenous base and a pentose sugar
(2) A pentose sugar and a phosphate
(3) A nitrogenous base, a pentose sugar and a phosphate
(4) A purine, a pyrimidine and a pentose sugar
Match the following:
(a) | Inhibitor of catalytic activity of succinate dehydrogenase | (i) | Ricin |
(b) | Possess peptide bonds | (ii) | Malonate |
(c) | Cell wall material in fungi | (iii) | Chitin |
(d) | Secondary metabolite | (iv) | Collagen |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (iv) | (iii) | (i) |
Identify the substances having a glycosidic bond and peptide bond, respectively in their structure:
1. Glycerol, trypsin
2. Cellulose, lecithin
3. Inulin, insulin
4. Chitin, cholesterol
Identify the basic amino acid from the following.
1. | Glutamic Acid | 2. | Lysine |
3. | Valine | 4. | Tyrosine |
The primary structure of a polypeptide has
1. Interchain disulphide bonds
2. Peptide bonds
3. H-bonds
4. Glycosidic bonds
Non-reducing sugar among the following is
1. Ribose
2. Deoxyribose
3. Glucose
4. Sucrose
A basic amino acid among the following is
1. Glutamate
2. Aspartate
3. Lysine
4. Valine