If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, this means that
A) the concentration of H? ions is tenfold higher in the cytoplasm than in the mitochondrial matrix.
B) the concentration of H? ions is tenfold higher in the mitochondrial matrix than in the cytoplasm.
C) the concentration of H? ions in the cytoplasm is 7/8 the concentration in the mitochondrial matrix.
D) the mitochondrial matrix is more acidic than the cytoplasm.
E) the concentration of H? ions in the cytoplasm is 8/7 the concentration in the mitochondrial matrix.
Answer: A
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