question archive 1)Which mechanism(s) regulate(s) the PDH complex?A

1)Which mechanism(s) regulate(s) the PDH complex?A

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1)Which mechanism(s) regulate(s) the PDH complex?A.   ADP (+)

B.   Covalent modification by PDH kinase (-)

C.  Pyruvate (+)

D.  NADH (-) 

E.    All of the above

F.   None of the above

 

2.)Which carrier transport electrons between complex II and complex IV?

A.   FMN

B.   Q

C.   Cytochrome c

D.  NAD 

E.    None of the above

 

3)Knowing that E'0value of NAD+/NADH = -0.32, and E'0value of FAD/FADH2 = -0.22, predict the oxidant and the reductant that will react together.

A.   NAD+ and FADH2

B.   NADH and FAD

C.  NAD and FAD

D.  NADH and FADH2

E.   None of the above

 

4)The TCA cycle takes place in the :

A.   Cytoplasm

B.   Mitochondrial matrix

C.  Endoplasmic reticulum

D.  Mitochondrial intermembrane space

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