Biochemistry MCQs - PG Blazer Entrance Coaching

Biochemistry – MCQ 74 – RNA polymerase

RNA polymerase does not require : A. Template (ds DNA) B. Activated precursors (ATP, GTP, UTP, CTP) C. Divalent metal ions (Mn2+, Mg2+) D. Primer Correct answer :

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Biochemistry – MCQ 73 – Shine Dalgarno sequence

Shine Dalgarno sequence in bacterial mRNA is near: A. AUG codon B. UAA codon C. UAG codon D. UGA codon Correct answer : A. AUG codon Shine Dalgarno

Biochemistry MCQs

Biochemistry – MCQ 72 – Phosphatidyl choline in a lipid monolayer at pH 3.5

Phosphatidyl choline in a lipid monolayer at pH 3.5 leads to: A.decreased surface potential B.increased surface potential C.decreased dipole moment D.zero dipole moment Question contributed by Debojyoti Das. To get

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Biochemistry – MCQ 71 – Function of Vitamin K and C

Both Vitamin K and C are involved in: A. The synthesis of clotting factors B. Post translational modifications C. Antioxidant mechanisms D. The microsomal hydroxylation reactions Correct answer

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Biochemistry – MCQ 70 – Predominant LDH isozyme in cardiac muscle

The predominant isozyme of LDH in cardiac muscle is: A. LD-1 B. LD-2 C. LD-3 D. LD-5 Correct answer : A. LD-1

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Biochemistry – MCQ 69 – Blood sample for glucose estimation

Fluoride, used in the collection of blood samples for glucose estimation, inhibits the enzyme: A. Glucokinase B. Hexokinase C. Enolase D. Glucose-6-phosphatase Correct answer : C. Enolase Flouride

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Biochemistry – MCQ 68 – Enzyme that transfer functional groups

Enzymes that move a molecular group from one molecule to another are known as: A. Ligases B. Oxido—reductases C. Transferases D. Dipeptidases Correct answer : C. Transferases Enzyme

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Biochemistry – MCQ 67 – Amino acid with imino side chain

The amino acid residue having an imino side chain is: A. Lysine B. Histidine C. Tyrosine D. Proline Correct answer : D. Proline Proline has an imino group

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Biochemistry – MCQ 66 – Enzyme regulation by calcium

All of the following enzymes are regulated by calcium or calmodulin, except: A. Adenylate cyclase B. Glycogen synthase C. Guanylyl cyclase D. Hexokinase Correct answer : D. Hexokinase

Category: Biochemistry MCQs