Which of the following organic compounds is the main constituent of Lecithin?
1. Arachidonic acid
2. Phospholipid
3. Cholesterol
4. Phosphoprotein
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. |
"Ramachandran plot" is used to confirm the structure of:
1. RNA
2. Proteins
3. Triacylglycerides
4. DNA
Consider the following statements:
A: | 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
Concanavalin A is:
1. a pigment
2. an alkaloid
3. an essential oil
4. a lectin
Which of the following glucose transporters is insulin-dependent?
1. GLUT IV
2. GLUT I
3. GLUT II
4. GLUT III
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
Which one of the following is the most abundant protein in animals?
1. Collagen
2. Lectin
3. Insulin
4. Hemoglobin