Transcription of DNA replication
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DNA replication
1 DNA replication : Copying genetic information for transmission to the nextgeneration Occurs in S phase of cell cycle Process of DNA duplicating itself Begins with the unwinding of the double helix to expose thebases in each strand of DNA Each unpaired nucleotide will attract a complementarynucleotide from the medium will form base pairing via hydrogen bonding. Enzymes link the aligned nucleotides by phosphodiesterbonds to form a continuous replication : First question asked was whether duplication wassemiconservative or conservative Meselson and Stahl expt Semiconservative - one strand from parent in each new strand Conservative- both strands from parent and other is all newstrands3 DNA replication : Complementary base pairing produces semiconservativereplication Double helix unwinds Each strand acts as template Complementary base pairing ensures that T signalsaddition of A on new strand, and G signals addition of C Two daug
11 The mechanism of DNA replication ¥Tightly controlled process, Ðoccurs at specific times during the cell cycle. ... ¥Transcription of histone genes is initiated near the end of G1 phase, and translation of histone proteins ... Chapter 11 # 4, 11. Created Date:
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