📚 StudyHub

🔬 Biology  ·  Molecular Basis of Inheritance  ·  NEET

In RNA, the base thymine of DNA is replaced by:

  • A uracil
  • B adenine
  • C guanine
  • D cytosine

Correct answer: A. uracil

Explanation: RNA uses uracil in place of thymine.

Concept context

DNA structure, replication, transcription, translation, the genetic code, and gene regulation (lac operon). The single most important chapter for NEET molecular biology.

Read the full Molecular Basis of Inheritance notes →

More Molecular Basis of Inheritance questions

See all Molecular Basis of Inheritance practice questions →

← All Molecular Basis of Inheritance questions  ·  Molecular Basis of Inheritance notes

Practice Molecular Basis of Inheritance — timed chapterwise test →