Question

DNA and RNA differ in all BUT one of the following ways?

A) DNA is double-stranded, while RNA is single stranded.
B) RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose.
C) DNA contains the base uracil, while RNA contains the base thym

Answer 1

'C' is the right answer.

Explanation:

Consider option A :
Yes it's true DNA is double stranded and RNA is single stranded.

Now consider option B :
It's also true RNA has Ribose sugar and DNA has deoxyribose sugar.

Coming to option C:
This is incorrect because DNA has base Thymine and RNA has base Uracil.
DNA has following bases:
1. Adenine
2. Thymine
3. Cytosine
4. Guanine

While RNA has these bases:
1. Adenine
2. Uracil
3. Cytosine
4. Guanine

It's written opposite.
So, Option C is the right answer.

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