Polymerases

what kinds of cells does polymerase III inhabit

cellular location

does it have good proofreading?

what is its function

polymerase III is in bacteria cells

found in chromosomal replication

has GOOD proofreading (3’ → 5’)

helps to synthesize the leading strand

describe what cells is polymerase I in

where is its location

does it have good proofreading?

what is its function

polymerase I is in bacteria cells

found in lagging strand cleanup

has GOOD proofreading (3’ to 5’)

helps in okazaki fragment processing

describe which cells Polymerase ε are in

what is its location

does it have good proofreading?

what is its function

Polymerase ε is in eukaryotes

found on the leading strand

has GOOD proofreading (3’ → 5’)

aids in high fidelity (accurate) leading strand synthesis

describe what cells Polymerase δ is in

describe its location

does it have good proofreading?

what is its function

found in eukaryotes

found on the lagging strand

has GOOD proofreading (3’ → 5’)

helps in filling in gaps between okazaki fragments

describe what cells Polymerase γ is in

what is its location

does it have good proofreading?

found in eukaryotes

found in mitochondrial DNA

has BAD proofreading

describe what viruses contain reverse transcriptase and whether it has good proofreading

found in retroviruses

has NO proofreading