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

1 Answer
Apr 22, 2016

'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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