Home / Unit-6 Moleculer Biology / Question
MCQ
Which nitrogenous base is present in RNA but not in DNA?
Unit-6 Moleculer Biology
A Thymine
B Cytosine
C Uracil
D Guanine
Explanation

RNA contains uracil in place of thymine, which is found only in DNA.

Related MCQs

How many strands make up the DNA double helix?
Unit-6 Moleculer Biology View
The substance on which an enzyme acts is called the what?
Unit-6 Moleculer Biology View
Which simple sugar is the primary energy source of cells?
Unit-6 Moleculer Biology View
Most enzymes work best at which pH range?
Unit-6 Moleculer Biology View
Water helps stabilize body temperature mainly because of its what?
Unit-6 Moleculer Biology View
A saturated fatty acid contains what between its carbon atoms?
Unit-6 Moleculer Biology View