Course

Biochemistry

Study Pack

Set 14 Electron Transport Oxidative Phosphorylation And Oxygen Metabolism

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Question 1

(Multiple Choice)

Free
Which of the following is NOT involved in the enzymatic inactivation of reactive oxygen species?

A) Superoxide dismutase
B) Catalase
C) Vitamin C
D) Peroxiredoxin
E) Peroxidase

Answer

Question 2

(Short Answer)

Free
________, which are potentially damaging, are generated because the interactions between one electron and two electron carriers are not 100% efficient.

Answer

Reactive o...

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Question 3

(Multiple Choice)

Free
Which of the following is NOT true of respiratory control?

A) Oxidative phosphorylation is absolutely dependent on the continued flow of electrons from substrates to oxygen.
B) Oxidative phosphorylation is regulated by allosteric mechanisms.
C) The stimulation of respiration by addition of ADP is stoichiometric.
D) The rate of respiration is controlled by the balance between the △G's for phosphorylation of ADP, electron transport and proton pumping.
E) Maintenance of respiratory control depends on the structural integrity of the mitochondrial inner membrane.

Answer