Transription - UMK CARNIVORES 3

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• During replication – the entire chromosome isusually copied• Transcription is more selective Only particular genes or groups of genesare transcribed at any one time – someportions of the DNA genome are nevertranscribed Specific regulatory sequences mark thebeginning and end of DNA segments to betranscribed and designate which strand ofduplex DNA to be used as the template6
• Synthesized the transcription• The most studied- in E.Coli• 5 different subunits –α2ωββ’σ(holoenzyme)• α2ωββ’– core enzyme• σ – recognize specific promoter(a DNA sequence that signals thestart of RNA transcription)• α2ωββ‘ – make the active site forpolymerization• Only holoenzyme can initiatetranscriptionRNA Polymerase• Lack the proof reading active site– more error 7
Page 3: Transcription• The process of mak
Page 9 and 10: Initiation-RNA synthesis begins at
Page 11: Initiation-RNA synthesis begins at
Page 14 and 15: Chain termination1) Intrinsic termi
Page 17 and 18: RNA ProcessingAdditional modificati
Page 19 and 20: RNA Processing2) 3’ Poly A tail
Page 21 and 22: TASKList down the antibiotics that
Page 23 and 24: • Protein are end products of mos
Page 25 and 26: Genetic codeImportant features:•
Page 27: Transfer RNA (TRNA)27
Page 30 and 31: STEPS IN PROTEIN SYNTHESIS• Activ
Page 32 and 33: Initiation• Prot synth begin at t
Page 34 and 35: Initiation• The association of ri
Page 36 and 37: InitiationStep 2:• The complex is
Page 38 and 39: ElongationRequire:• The initiatio
Page 40 and 41: ElongationStep 2: Peptide bond form
Page 42: TASK• List down the antibiotics t

Transription - UMK CARNIVORES 3

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