Biochemistry multiple choice questions (MCQs). Biochemistry Quiz from 6 to 10.

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6. The most reduced form of Carbon is
(A) O₂
(B) CO₂
(C) H₂
(D) CH₄

7. The most oxidized form of Carbon is
(A) O₂
(B) CO₂
(C) H₂
(D) CH₄

8. Most of the dry mass in the trunk of a tree is basically derived from
(A) glucose
(B) hydrocarbons
(C) CO₂
(D) amino acids

9. Most of the cholesterol in human’s bloodstream is produced by the
(A) kidney
(B) liver
(C) lung
(D) large intestine

10. Which from the following is NOT a function of lipids?
(A) DNA replication
(B) storing energy
(C) signaling
(D) acting as structural components of cell membranes

ANSWERS: BIOCHEMISTRY QUIZ
6. (D) CH₄
7. (B) CO₂
8. (C) CO₂
9. (B) liver
10. (A) DNA replication