Multiple choice

A DNA strand is directly involved in the synthesis of all of the following except

  1. DNA replica

  2. protein molecule

  3. tRNA molecule

  4. mRNA molecule

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DNA is used to synthesize DNA (replication), mRNA (transcription), and indirectly tRNA, but it does not directly synthesize protein molecules (which requires ribosomes and translation).