DNA and RNA Structure Answers

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Which structural characteristic is seen in RNA but not in DNA?

A
double strands
B
a single strand
C
chains of nucleotides
D
a helical shape
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The diagram shows a nucleic acid in the shape of a helix.Which sugar is present in the nucleic acid that is represented in the diagram?

Question illustration
A
uracil
B
thymine
C
deoxyribose
D
ribose

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