If the Cytoplasm of a Cell Is at PH 7

question 74

Multiple Choice

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 hydrogen ions is tenfold higher in the cytoplasm than in the mitochondrial matrix.
• B) the concentration of hydrogen ions is tenfold higher in the mitochondrial matrix than in the cytoplasm.
• C) the concentration of hydrogen 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 hydrogen ions in the cytoplasm is 8/7 the concentration in the mitochondrial matrix.

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