Unit 4 - Molecular Genetics. DNA Replication Protein Synthesis Transcription Translation Cell Cycle. 1928 – Griffith. 1944 – Avery, McCarty, & McCleod. Bacteriophage. Viruses that attack bacterial cells (“bacteria eaters”). 1952 – Harvey & Chase. 1953 Watson & Crick (and Franklin).
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2. RNA primase(enzyme) recognizes an ori site on DNA, “sits” down on DNA, and synthesizes an RNA strand (5-10 nucleotides long) called a primer
3. DNA polymerase (enzyme) finds this primer and begins replication