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.Management Sciences
Category: Biochemistry
The amino acid residue having animino side chain is____________?
A. Lysine
B. Histidine
C. Tyrosine
D. Proline
The mineral having sparing action on Vitamin E_______________?
A. Chromium
B. Iron
C. Iodine
D. Selenium
The most common enzyme deficiency in man is___________?
A. Glucose 6 phosphate dehydrogenase
B. Glucose 6 phosphatase
C. Hexokinase
D. Glucose 1,6 diphosphatase
Which of the following factors delay wound healing____________?
A. Vitamin B12 deficiency
B. Ascorbic acid deficiency
C. Infection
D. B & C option
Mineral present in Vit B12 is_____________?
A. Selenium
B. Cobalt
C. Iron
D. Calcium
The most important buffer in RBC is____________?
A. O2 Hb +Na hemoglobinate
B. O2Hb +K hemoglobinate
C. H2CO3 + KHCO3
D. H2CO3 +NAHCO3
In mycocarrdial infarction the first enzyme to rise____________?
A. CPK
B. LDH
C. SGOT
D. Amylase
The amino acid from which niacin is synthesized is______________?
A. Tyrosine
B. Theronine
C. Tryptophan
D. Histidine
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
Which of the following is NOT a characteristic feature of allosteric enzymes ?
A. They are multienzyme complex
B. Follow Michaelis-Menton Kinetics
C. Presence of Modulator site
D. Give sigmoid shaped curve
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