In a hydrogen ion pump, the energy is used to join small molecules together to make larger ones. Which factor most likely has the greatest effect on the
number of molecules mitochondria can produce?
A. The size of the cell nucleus
B. The number of H+ ions moving down the channel
C. The shape of the protein channel
D. The amount of energy needed to pump the H+

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.