Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In DNA, the complimentary bases are
ChemistryBiomoleculesJIPMERJIPMER 2014
Options:
  • A adenine and thymine; guanine and cytosine
  • B adenine and thymine; guanine and uracil
  • C adenine and guanine, thymine and cytosine
  • D uracil and adenine; cytosine and guanine
Solution:
1777 Upvotes Verified Answer
The correct answer is: adenine and thymine; guanine and cytosine
Deoxyribonucleic acid (DNA) has the purine bases adenine and guanine and pyrimidine bases thymine and uracil. According to base pairing rule adenine paired with thymine $(\mathrm{A}=\mathrm{T})$ and cytosine paired with guanine $(\mathrm{C} \equiv \mathrm{G})$.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.