When the H+ concentration is significantly higher in the mitochondrial matrix than the intermembrane space, ATP
synthase would ____.
a. require an ion to stabilize it
b. no longer function properly
c. hydrolyze ATP to form ADP to pump protons out of the matrix
d. generate ATP to pump protons into the matrix
e. be uncoupled from the electron transport chain
ANSWER: c
You might also like to view...
If a plant is exposed to a toxin that made the thylakoid membranes permeable to hydrogen ions, predict the impact of the toxin on each of the following:
A. The hydrogen ion gradient across the thylakoid membrane B. The oxidation of NADPH to NADP+ C. The pH in the lumen of the thylakoid D. The production of carbohydrate in the Calvin cycle E. The amount of oxygen evolved in the lightdependent reactions
Which of the following type of microscopy would be most effective in visualizing the fine structure of viruses and cytoskeletal filaments 10–25 nanometers in diameter?
A. standard light microscopy B. phase-contrast light microscopy C. transmission electron microscopy D. darkfield light microscopy E. differential-interference microscopy
The letter “A” in the above figure represents
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
All eukaryotes are diploid.
Answer the following statement true (T) or false (F)