Multiple choice

Which enzyme builds mRNA by adding complimentary RNA nucleotides?

  1. DNA polymerase

  2. RNA polymerase

  3. DNAse

  4. RNAse
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

RNA polymerase is the primary enzyme responsible for transcription, binding to DNA and assembling a complementary RNA strand by adding RNA nucleotides. DNA polymerase is involved in DNA replication, while nucleases like DNAse and RNAse break down nucleic acids.

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