The compound shown below:
1. is a component of ATP molecule
2. is most commonly found in ori region of DNA
3. can have enzymatic activity
4. may be a component of cell membrane
The zwitterion is shown by:
1. Only A
2. Only B
3. Both A and C
4. A, B and C
All the following statements about cellulose are
correct, except
1. Cellulose is homopolymer
2. it is the most abundant organic molecule in the
biosphere
3. It is branched polymer of -glucose
4. It has 1-4 glycosidic bonds
Which element is present negligible in human body?
1. O
2. C
3. H
4. Si
"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
Identify two amino acids that contain sulphur:
1. Asparagine and Glutamine
2. Lysine and arginine
3. Proline and hydroxyproline
4. Cysteine and methionine
_______________ are organic compounds that are not directly involved in the normal growth, development, or reproduction of organisms.
(1) essential metabolites
(2) primary metabolites
(3) secondary metabolites
(4) endogenous metabolites
Identify the correct statement regarding the structure of a molecule shown in the given diagram:
I. It is an alpha amino acid
II. The configuration shown is called zwitterion
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II