Question

DNA and RNA are structurally similar but also have some notable differences. RNA has uracil in place of thymine as one of its bases, uses ribose in place of deoxyribose, and​

Answer 1

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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Answer 2

D: Often exists as a single stranded molecule

Step-by-step explanation: