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Pyrimidine

How does the ...

Question

How does the pyrimidine composition change in DNA and RNA?

A

DNA is mostly made up of pyrimidines

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B

DNA has Thymine and RNA has Uracil

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C

DNA has Uracil and RNA has Thymine

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D

None of the above

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Solution

The correct option is B DNA has Thymine and RNA has Uracil
The purines in both RNA and DNA are called adenine and guanine. Both RNA and DNA also have a pyrimidine called cytosine; however, their second pyrimidine is different: DNA uses thymine while RNA includes uracil instead.

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Similar questions

How does the pyrimidine composition change between DNA and RNA?

Q. How is pyrimidine composition different in DNA and RNA?

Q. Write the main structural difference between DNA and RNA. Of the bases, thymine and uracil, which one is present in DNA?

Q. How many of the following statements are correct?

A. Coding strand is also called a template strand which gets transcribed to RNA.

B. Template strand is considered as a non-coding strand which gets transcribed to RNA.

C. Coding strand of DNA (sense strand) has the same sequences as transcribed RNA, except for having thymine in place of RNA’s uracil.

D. The template strand of DNA has the same sequences as transcribed RNA.

E. Coding strand (sense strand) has the same sequences as transcribed RNA, except for having uracil in place of RNA’s thymine.

Q. The pentose sugar in DNA and RNA has the

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