21. Match items in Group I with Group II.
Group I
Group II
P. Glycolytic pathway
1. Chloroplast
Q. Eukaryotic oxidative metabolism
2. Glyoxysomes
R. Glyoxylate cycle
3. Mitochondria
S. Calvin cycle
4. Cytosol
Group I | Group II |
P. Glycolytic pathway | 1. Chloroplast |
Q. Eukaryotic oxidative metabolism | 2. Glyoxysomes |
R. Glyoxylate cycle | 3. Mitochondria |
S. Calvin cycle | 4. Cytosol |
22. The value of ΔG°, if given Kep is 1.7, at 23°C will be
23. Oxidation reduction reactions with positive standard redox potential (ΔE°) have
24. Identify the enzyme that catalyzes the following reaction.
$$\alpha {\text{ - Ketoglutarate}} + NADH + NH_4^ + + {H^ + } \to {\text{Glutamate}} + NA{D^ + } + {H_2}O$$
$$\alpha {\text{ - Ketoglutarate}} + NADH + NH_4^ + + {H^ + } \to {\text{Glutamate}} + NA{D^ + } + {H_2}O$$
25. Match the following photoreceptors with their prosthetic groups and spectral specificity
Photoreceptor
Moiety that absorbs light
Absorption (nm)
P. Phototropin
1. Chromobilin
a. 400 - 500
Q. Cryptochrome
2. FAD
b. 600 - 800
R. Phytochrome
3. FMN
c. 500 - 600
Photoreceptor | Moiety that absorbs light | Absorption (nm) |
P. Phototropin | 1. Chromobilin | a. 400 - 500 |
Q. Cryptochrome | 2. FAD | b. 600 - 800 |
R. Phytochrome | 3. FMN | c. 500 - 600 |
26. The degree of inhibition for an enzyme catalyzed reaction at a particular inhibitor concentration is independent of initial substrate concentration. The inhibition follows
27. Which one of the following amino acid residues will destabilize an α-helix when inserted in the middle of the helix?
28. Determine the correctness or otherwise of the following Assertion (A) and Reason (R).
Assertion: Plants convert fatty acids into glucose.
Reason: Plants have peroxisomes.
Assertion: Plants convert fatty acids into glucose.
Reason: Plants have peroxisomes.
29. The turnover numbers for the enzymes E1 and E2 are 150 s-1 and 15 s-1 respectively. This means
30. Match the chemicals in Group I with the possible type/class in Group II.
Group I
Group II
P. Picloram
1. Vitamin
Q. Zeatin
2. Auxin
R. Thiamine
3. Amino Acid
S. Glutamine
4. Cytokinin
Group I | Group II |
P. Picloram | 1. Vitamin |
Q. Zeatin | 2. Auxin |
R. Thiamine | 3. Amino Acid |
S. Glutamine | 4. Cytokinin |