Multiple Choice
Which best describe the structure of complex II?
A) An L-shaped structure that spans the membrane and partially extends into the mitochondrial matrix.
B) A structure firmly anchored to the membrane by many a-helices that span the lipid-bilayer.
C) Three identical multisubunit enzymes that associate to form a mushroom-shaped structure.
D) Has a core structure of three conserved subunits, one of which forms a b-barrel on the exterior surface of the membrane.
Correct Answer:
Verified
Correct Answer:
Verified
Q24: Fumarate reductase essentially catalyzes the reverse reaction
Q39: The chemiosmotic theory explains<br>A)the phosphorylation of ADP.<br>B)the
Q49: NADH and QH<sub>2</sub><sub> </sub>for oxidative phosphorylation are
Q50: The protonmotive force is a result of
Q52: During the Q-cycle molecules) of QH<sub>2</sub><sub> </sub>isare)
Q53: For normal mitochondria in the presence of
Q54: Which of the following is mismatched?<br>A) outer
Q77: In the presence of an uncoupler,more substrate
Q79: The inner membrane of mitochondria is permeable
Q80: In the presence of oxygen and in