Identify the basic amino acid from the following.
1. Glutamic Acid
2. Lysine
3. Valine
4. Tyrosine
Which one of the following is the most abundant protein in animals?
1. Collagen
2. Lectin
3. Insulin
4. Hemoglobin
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
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 statement which is incorrect.
1. | Sulphur is an integral part of cysteine. |
2. | Glycine is an example of lipids. |
3. | Lecithin contains a phosphorus atom in its structure. |
4. | Tyrosine possesses an aromatic ring in its structure. |
Match the following:
Column I | Column II | ||
(a) | Aquaporin | (i) | Amide |
(b) | Asparagine | (ii) | Polysaccharide |
(c) | Abscisic acid | (iii) | Polypeptide |
(d) | Chitin | (iv) | Carotenoids |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (i) | (iv) | (ii) |
2. | (ii) | (iii) | (iv) | (i) |
3. | (ii) | (i) | (iv) | (iii) |
4. | (iii) | (i) | (ii) | (iv) |
"Ramachandran plot" is used to confirm the structure of:
1. RNA
2. Proteins
3. Triacylglycerides
4. DNA
Prosthetic groups differ from co-enzymes, in which:
1. | they require metal ions for their activity. |
2. | they (prosthetic groups) are tightly bound to apoenzymes. |
3. | their association with apoenzymes is transient. |
4. | they can serve as co-factors in a number of enzyme-catalyzed reactions. |
Which of the following organic compounds is the main constituent of Lecithin?
1. Arachidonic acid
2. Phospholipid
3. Cholesterol
4. Phosphoprotein
Which of the following are not secondary metabolites in plants?
1. Vinblastin, curcumin
2. Rubber, gums
3. Morphine, codeine
4. Amino acids, glucose