- A) Redation
- B) Electronegativity
- C) Polarity
- D) Oxidation.
Biochemistry MCQ
Total MCQ: 92
62 Which process is not part of the cellular respiration pathway that produces large amounts of ATP in a cell?
- A) Electron transport chain
- B) Glycolysis
- C) Krebs cycle
- D) Fermentation
63 What is the function of thermogenin?
- A) To generate ATP in the mitochondria
- B) To transport NADH from the cytoplasm to the mitochondria
- C) To uncouple oxidation from phosphorylation in the mitochondria
- D) To synthesize glucose in the liver
64 Which of the following is an inhibitor of Complex I in the ETC?
- A) Rotenone
- B) Malonate
- C) Antimycin
- D) Cyanide
65 What is the function of the glycerol 3-phosphate shuttle?
- A) To generate ATP in the mitochondria
- B) To transport NADH from the cytoplasm to the mitochondria
- C) To transport FADH2 from the mitochondria to the cytoplasm
- D) To synthesize glucose in the liver
66 Which of the following is a heme-containing protein in the ETC?
- A) Cytochrome c (Cyt c)
- B) Coenzyme Q (CoQ)
- C) Flavin mononucleotide (FMN)
- D) NADH
67 What is the function of the F0 component in the mitochondria?
- A) To generate ATP in the mitochondria
- B) To transport NADH from the cytoplasm to the mitochondria
- C) To form a proton channel in the inner mitochondrial membrane
- D) To synthesize glucose in the liver
68 Which of the following is an uncoupler of oxidative phosphorylation?
- A) Dinitrocresol
- B) Oligomycin
- C) Rotenone
- D) Cyanide
69 What is the role of cytochrome c reductase in the ETC?
- A) To transfer electrons from NADH to CoQ
- B) To transfer electrons from CoQ to cytochrome c
- C) To transfer electrons from cytochrome c to oxygen
- D) To generate ATP
70 Which complex in the ETC is known as succinyl-CoQ reductase?
- A) Complex I
- B) Complex II
- C) Complex III
- D) Complex IV