SAT Subject Biology Practice Question 296: Answer and Explanation

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Question: 296

6. Which of the following chemical formulas could represent a monosaccharide?

A. C6H6O6
B. C3H6O3
C. C6H12O3
D. C5H10O10
E. CH2O4

Correct Answer: B


B Monosaccharides have the general molecular formula CnH2nOn, as in glucose, which is C6H12O6. The only formula that fits this rule is choice B.

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