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Which of the following base is not found in RNA? A Thymine B Uracil C Adenine D Guanine

Which of the following base is not found in RNA?

A

Thymine

B

Uracil

C

Adenine

D

Guanine

 
 
 

Grade:12

1 Answers

Mayank Ranka
askIITians Faculty 277 Points
3 years ago

Thymine is not found in RNA. RNA is a polymer with a ribose and phosphate backbone and four different bases: adenine, guanine, cytosine, and uracil. 

 
The first three are the same as those found in DNA, but in RNA thymine is replaced by uracil as the base complementary to adenine. This base is also a pyrimidine and is very similar to thymine.

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