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Which base is present in RNA but not in DNA?

  • Option 1)

    Uracil

  • Option 2)

    Cytosine

  • Option 3)

    Guanine

  • Option 4)

    Thymine

 

Answers (1)

best_answer

As we learnt in

Deoxyribonucleic acid (DNA) -

Made up of nucleotides consisting of pentose sugar which is \beta-D-2- deoxyribose, Phosphoric acid and bases (Adenine , Guanine , cytosine and thymine)

-

 

 

Ribonucleic acid (RNA) -

Made up of nucleotides consisting of pentose sugar which is \beta-D-ribose, Phosphoric acid and bases (Adenine , Guanine , cytosine and uracil)

-

 

 In RNA uracil is present instead of thymine.


Option 1)

Uracil

This option is correct

Option 2)

Cytosine

This option is incorrect

Option 3)

Guanine

This option is incorrect

Option 4)

Thymine

This option is incorrect

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