An artificial membrane separates two sides of a beaker. The left side contains 50 glucose molecules and the right side contains 100 fructose molecules. If you add channels to the membrane for glucose molecules but do not add any for fructose molecules and then wait for a while, which will more likely be true?
A. The 50 glucose molecules will have moved from the left side to the right side of the beaker, because the channels allowed them to cross the membrane.
B. The 50 glucose molecules will not have moved to the right side of the beaker, because there are already 100 fructose molecules on the right side of the beaker.
C. About 25 glucose molecules will be on the right side of the beaker, and 25 will be on the left side of the beaker.
D. Both sides of the beaker will contain approximately equal numbers of glucose and fructose molecules.
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