All four complexes pump protons out of the mitochondrial matrix
Explanation:
What differs are the biochemical processed by which each complex pumps out the protons. Only ATP synthase pumps proton from the intermembrane space to the matrix. This is as it harnesses the proton motive force, created by the other complexes, to generate ATP molecules.
As millions of Americans switch to the new diet, we can expect a(n) _decrease____ in the __demand for___ beef, leading to a shift to the __left___ in the __demand___ curve for beef and _lower____ beef prices.