HESI A2 Practice Test & Study Guide

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About DNA & RNA

RNA is a single-stranded molecule with ribose sugar and uracil. Discover how its structure enables roles in protein synthesis, regulation, and more.

Free DNA & RNA practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

Which of the following best describes the structure of RNA?

Double-stranded helix with ribose sugar.

Single-stranded chain with deoxyribose sugar.

Double-stranded helix with deoxyribose sugar.

Single-stranded chain with ribose sugar.

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