Question

Which of the following statement(s) is/are incorrect ?
(i) Proton channel of oxysome / complex V / ATP synthase is located in $F_1$.
(ii) Metabolic water is produced in terminal oxidation / produced in respiration.
(iii) CoQ accepts electron from NADH dehydrogenase (complex I) and also can accept electron from $FAD{H}_2$/ succinate Q-reductase / complex II.
(iv) Cytochrome c is a small protein attached to outer surface of the inner mitochondrial membrane and acts as mobile carrier for transfer of electrons between complex I (Cyt bc, complex) and III.
(v) Complex IV refers to cytochrome c oxidase (cyt a, $a_3$ and 2 Cu per centre).
(vi) If a cell is treated with a drug that inhibits ATP synthase, the pH of mitochondrial matrix will increase.

• A. (i), (ii) and (iii)
• B. (iii), (v) and (vi)
• C. (i) and (iv)
• D. Only (iii)

Answer 1

Answer: (C)

Correct answer is (c) (i) and (iv)