Biochemistry exam3 Electron Transport chain

Which of the following resides in the mitochondria?

The pentose phosphate pathway

Adenylate cyclase

The electron transport complexes

Enzymes for glycolysis

The electron transport complexes

Which of the following is the common product produced by Complex I and Complex II?

NAD⁺

Reduced coenzyme Q

Reduced O₂

FAD

Reduced coenzyme Q

Which of the following is another term used to define Complex II in the electron-transport chain?

Succinate-CoQ reductase

NADH-CoQ reductase

Cytochrome bc₁ complex

Cytochrome c oxidase

Succinate-CoQ reductase

Which of the following cytochromes receives the electron transferred from UQH₂ to the Rieske protein?

cyt b_L

cyt b_H

cyt c₁

cyt c

cyt c₁

Which of the following is the source for the energy that drives ATP synthesis?

The electron gradient

NAD⁺ and FAD

Molecular Oxygen

The proton gradient

Which of the following is a characteristic of the F₁ unit of ATP synthase?

It catalyzes ATP synthesis but not ATP hydrolysis.

It consists of 6 different kinds of subunits.

The β-subunits have catalytic sites for ATP synthesis.

The α- and β-subunits are not homologous

The β-subunits have catalytic sites for ATP synthesis.

Which of the following c-subunit residues of ATP synthase is proton neutralized during ATP synthesis?

Arg

Asp

Glu

Ser

.Asp