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Which of the following is a purine ?...

Which of the following is a purine ?

A

Cytosine

B

Guanine

C

Thymine

D

Uracil

Text Solution

Verified by Experts

The correct Answer is:
B

(B) Guanine is a purine.
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Knowledge Check

  • Which of the following are purines?

    A
    A and G
    B
    A and T
    C
    G and C
    D
    G and T
  • Which of the following are purine bases ?

    A
    Guanine
    B
    Adenine
    C
    Thymine
    D
    Uracil
  • Which of the following are purine bases ?

    A
    Guanine
    B
    Adenine
    C
    Thymine
    D
    Uracil
  • Similar Questions

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    Which of the following is an example of Purine bases

    Which of the following statements are correct? I. Point mutations involve deletion of a part of chromosome. II.When a purine base is replaced by another purine and pyrimidine by another pyrimidine, it is transition. III.In frameshift mutations, one nitrogenous base is substituted by other. IV.When a purine is replaced by a pyrimidine and vice-versa, it is called transversion.

    Purine has four nitrogen's , which of the following are you expect to be basic ?

    Which of the following heterocyclic base of purine class ?

    Consider the following statements (A-D) each with one or two banks. A. "______" are commonaly observed in cancer cells. B During "______" purine is replaced by another purine. C. Fallure of "_______" purine is replaced by another purine. In Down's organism and this phenomenon is known as "_____" D. In Down's syndrome, the affected individual is short statured with "_______" round head and partiallyopen mouth. Which one of hte following options gives the correctly fill sup for the respective blank numbers from (i) to (v) in the statements ?