RNA and RNA world：Transcription

xielirong

Transcription

Transcription-the synthesis of RNA using DNA as a template.
Four stages: Initiation, Elongation, Termination, Post-transcriptional modification
Similarities and Differences from Replication

Similarities           Differences
5' →3' direction      oRNA polymerase instead
many proteins involved  of DNA polymerase
initiation, elongation,  o no proofreading termination          o posttranscriptional
transcription bubble    modification
starts and stops at     o 1 strand copied not 2 specific places        o not all copied
                       Nt not dNt