Biochemistry - Nucleic Acids - Discussion

Discussion :: Nucleic Acids - Section 1 (Q.No.5)

5. 

Which pyrimidine base contains an amino group at carbon 4?

[A]. Cytosine
[B]. Thymine
[C]. Uracil
[D]. Adenine

Answer: Option A

Explanation:

No answer description available for this question.

Anna P. said: (Feb 7, 2016)  
Guanine also contains an amino group, but it attached to its 2nd carbon.

Nikhil said: (Nov 9, 2016)  
@Anna.

Guanine is not a Pyrimidine so cytosine has the amino group at 4 carbon atom.

Quzzweight said: (Mar 8, 2017)  
Adenine is a amino acid with 5 carbon.

Lingaraj said: (Oct 5, 2017)  
So uracil and thymine attach with which carbon?

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