MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Nucleic Acids

Which of the ...

Question

Which of the following are purine bases?
(a) Guanine (b) Adenine (c) Thymine (d) Uracil

Open in App

Solution

Answers: (a), and (b)
Purines consist of six-membered and five-membered nitrogen-containing ring fused together.
Guanine and adenine are purine bases whose structures are

While thymine and uracil are pyrimidine bases.
Hence (a) and (b) are correct choices.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Which among the following are purine derivatives among the following bases?
1. Adenine 2.Uracil 3.Guanine 4.Thymine

Q. Assertion :Purine bases present in DNA are adenine and guanine. Reason: The base thymine is present in RNA while base uracil is present in DNA.

Q. Assertion :The heterocyclic compounds in nucleic acid are the nitrogenous bases. Reason: Adenine and guanine are substituted pyrimidines while uracil, cytosine and thymine are substituted purines.

Statement 1: The four nitrogen bases in a DNA molecule are guanine, thymine adenine, cytosine.

Statement 2: Where adenine and thymine are purines and guanine and cytosine are pyrimidines.

Q. Nitrogenous base present in DNA are
(a) Thymine
(b) Cytosine
(c) Adenine
(d) Guanine

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Nucleic Acids

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon