Multiple Choice
What are the base pairs found in RNA?
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15. Gene Expression
Introduction to Types of RNA
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RNA differs from DNA in all except which of the following ways?
A
RNA has a ribose sugar, whereas DNA has a deoxyribose sugar.
B
RNA is usually single-stranded, while DNA is double-stranded.
C
RNA and DNA both have the same type of sugar backbone.
D
RNA contains uracil instead of thymine.
Verified step by step guidance1
Understand the structural differences between RNA and DNA. RNA contains ribose sugar, while DNA contains deoxyribose sugar. This is a key difference in their chemical structure.
Recognize the strand differences: RNA is typically single-stranded, whereas DNA is double-stranded. This affects their function and stability.
Identify the nitrogenous base differences: RNA contains uracil, whereas DNA contains thymine. This substitution is crucial for RNA's role in protein synthesis.
Consider the sugar backbone: Both RNA and DNA have a sugar-phosphate backbone, which is a common structural feature.
Evaluate the options given in the problem: The statement 'RNA and DNA both have the same type of sugar backbone' is correct, as both have a sugar-phosphate backbone, despite the difference in the sugar itself.
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