Answer Choices:
○ A. is a polymer of nucleotides and amines.
○ B. often exists as a single-stranded molecule.
○ C. has a different phosphate group in its backbone.
○ D. can't form base pairs.
Answer:
RNA has uracil in place of thymine as one of its bases, uses ribose in place of deoxyribose, and... B. often exists as a single-stranded molecule.
Reference:
3.2 Examine the structure of DNA and its function with genetic inheritance
DNA's Structure and Function in Genetic Inheritance READING ASSIGNMENT
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"Additionally, unlike DNA, RNA can be present as a single strand which folds onto itself..." (PDF pg. 54)
#pennfosternotes
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