Multiple Choice
In most biological contexts, how many strands does RNA have?
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7. DNA and Chromosome Structure
RNA
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Which statement correctly describes how RNA differs from DNA?
A
RNA is usually single-stranded and contains deoxyribose sugar but uses uracil (U) instead of thymine (T).
B
RNA is usually double-stranded, contains deoxyribose sugar, and uses thymine (T) instead of uracil (U).
C
RNA is usually single-stranded, contains ribose sugar, and uses uracil (U) instead of thymine (T).
D
RNA contains ribose sugar but uses thymine (T) instead of uracil (U).
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