1.

How many strands of mRNA are transcribed from two unzipped strands of DNA?

Answer»

One STRAND is the CORRECT answer.

  • DNA stands for Deoxyribonucleic acid while RNA stands for ribonucleic acid.
  • DNA molecule has two strands while RNA molecule has one strand.
  • There are three types of RNA namely mRNA, tRNA and RRNA.
  • mRNA is formed from DNA by the process of TRANSCRIPTION.
  • For mRNA formation, DNA molecule is unzipped by the enzyme helicase.
  • mRNA is further translated into protein which occurs by the HELP of rRNA and tRNA.


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