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7 Cards in this Set

  • Front
  • Back

Genome

All genetic material in cell

Subdivisions of genome

Chromosomes and plasmids

DNA replication

Semi conservative- parent strands act as template for the syn of new DNA. Half is new and half is old

Step 1of DNA replication

1. Dna uncoil by 2 enzymes


Topoisomerase and gyrase. Begins at region called origin of replication

Step 2 of DNA replication

Enzyme primase added to RNA primer to start strand of replication

Step 2 continued

RNA primer is complimentary strand. Dna then synthasized together by enzymes DNA polymerase and ligase

Final step of finishing replication

Dna is bidirectional


During the whole process special proteins check DNA base pairs