A pentose contains five carbon atoms.

Answer

true

Explanation

The prefix *pent-* denotes five, so a pentose is a monosaccharide with five carbon atoms. Ribose is an example of an aldopentose, and ribulose is a ketopentose. **Key takeaway:** The sugar name indicates the number of carbon atoms. **Glossary:** Pentose: five-carbon monosaccharide.

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