DNA - Transcription Flashcards

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1
Q

transcription

A
  • the synthesis of mRNA from a DNA template
  • mRNA = messenger
  • only one strand of DNA is copied
  • a single gene may be transcribed thousands of times
  • after transcription, the DNA strands rejoin
  • DNA unwinds
  • RNA polymerase recognizes a specific base sequence in the DNA called a promoter and binds to it (separates DNA)
  • complementary bases are assembled
  • Uracil (U) replaces thymine (T) in RNA
  • in RNA U-A
  • RNA is a single strand of nucleotides
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