Question

BIOCHEMISTRY (CELLULAR RESPIRATION/ELECTRON TRANSPORT CHAIN)

1) Steps of cellular respiration are: (multiple answers may be correct)

A. Fermentation

B. Oxidative carboxylation of pyruvate

C. Citric Acid Cycle

D. Mitochondrial Electron Transport Chain

E. Reduction of molecular Oxygen by cytochrome C.

2) Steps of Oxidative Phosphorylation (in a wider sense) are: (multiple answers may be correct)

A. Fermentation

B. Glycolysis

C. Mitochondrial electron transport chain

D. Reduction of molecular Oxygen by cytochrome C

E. H+ gradient driven synthesis of ATP

3) Which of the following is correct? (only one answers is correct)

A. The outer mitochondrial membrane contains unselective pores formed by porins allowing many types of molecules and ions to pass B. The inner mitochondrial membrane is a major permeability barrier C. Both of the above D. None of the above

4) The amount of free energy changes during redox reactions depends on (only one answer is correct)

A. The redox potential difference between the respective redox couples B. The number of transferred electrons C. Both of the above D. None of the above 5) Electron carriers of the mitochondrial ETC are: (only one answers is correct) A. Chlorophyll a B. FMN C. Both of the above D. None of the above

Answer 1