A. Cytochrome P-450
B. Glutathione S-transferase
C. NADPH cytochrome P-450 reductase
D. Glucuronyl transferase
✅ The correct answer is option A. Cytochrome P-450.
Biochemistry
Which of the following organs cannot use ketone bodies_______________?
A. Brain
B. Liver
C. Kidney
D. Spleen
✅ The correct answer is option B. Liver.
False statement about haemoglobin structure________________?
A. Hb has 2 polypeptide chains
B. Iron is present in ferrous state
C. Hb structurally similar to myoglobin
D. Ferrous ions are in porphyrin rings
✅ The correct answer is option A. Hb has 2 polypeptide chains.
Cytochromes are_____________?
A. Pyridine nucleotides
B. Riboflavin containing nucleotides
C. Metal containing flavoproteins
D. Iron-porphyrin proteins
✅ The correct answer is option D. Iron-porphyrin proteins.
B-oxidation of odd-chain fatty aids produce_______________?
A. Succinyl CoA
B. Propionyl CoA
C. Acetyl CoA
D. Malonyl CoA
✅ The correct answer is option B. Propionyl CoA.
All of the following are substrates for gluconeogenesis except_______________?
A. Alanine
B. Oleic acid
C. Glycerol
D. Tryptophan
✅ The correct answer is option B. Oleic acid.
Histidine is converted to histamine by_____________?
A. Transamination
B. Hydroxylation
C. Decarboxylation
D. Reduction
✅ The correct answer is option C. Decarboxylation.
The daily requirement of protein for the adults is_________________?
A. 6 gms
B. 60 gms
C. 120 gms
D. 250 gms
✅ The correct answer is option B. 60 gms.
The following is not a carrier protein________________?
A. Cerruloplasmin
B. Transferrin
C. Transcobalamine
D. Haptoglobulin
✅ The correct answer is option D. Haptoglobulin.
Which metabolite of TCA cycle is used in detoxification of ammonia in brain_____________?
A. Alpha ketoglutarate
B. Ornithine
C. Oxalocetate
D. Glycine
✅ The correct answer is option A. Alpha ketoglutarate.