Which of the following best describes a structural difference between DNA and RNA?
Understand the Problem
The question is asking to identify the structural difference between DNA and RNA among the provided options, focusing on specific characteristics such as nitrogenous bases, backbone composition, strand structure, and phosphate groups.
Answer
B: The backbone of DNA contains deoxyribose, whereas the backbone of RNA contains ribose.
Option B best describes a structural difference between DNA and RNA, noting their differences in sugar components (deoxyribose for DNA and ribose for RNA) and typical strand composition (double-stranded for DNA and single-stranded for RNA).
Answer for screen readers
Option B best describes a structural difference between DNA and RNA, noting their differences in sugar components (deoxyribose for DNA and ribose for RNA) and typical strand composition (double-stranded for DNA and single-stranded for RNA).
More Information
Both DNA and RNA are composed of nucleotides but differ in sugar type (deoxyribose vs. ribose) and strand structure (double-stranded vs. single-stranded).
Tips
Don't confuse the number of bases with the type of sugar in the backbone.
Sources
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