DNA Replication in prokaryotes and eukaryotes

Question 1

Prokaryotes:

Involved in synthesis, proof-reading, repair, and removal of RNA primers

Answer 1

Polymerase I

Question 2

Prokaryotes:

A Repair enzyme

Answer 2

Polymerase II

Question 3

Main polymerizing enzyme

Answer 3

Polymerase III

Question 4

Prokaryotes:

Repair enzymed under unsual conditions

Answer 4

Polymerase IV and V

Question 5

Prokaryotes or Eukaryotes?

Polymerase are also exonucleases

Answer 5

Prokaryotes

Question 6

Prokaryotes or Eukaryotes?

One origin of replication

Answer 6

Prokaryotes

Question 7

Prokaryotes or Eukaryotes?

Okazaki fragments 1000-2000 residues long

Answer 7

Prokaryotes

Question 8

Prokaryotes or Eukaryotes

No proteins complexed to DNA

Answer 8

Prokaryotes

Question 9

Eukaryotes:

A polymerizing enzyme

Answer 9

Polymerase a (alpha)

Question 10

Eukaryotes:

A repair enzyme

Answer 10

Polymerase β ( Beta)

Question 11

Eukaryotes:

Involved in mitochondrial DNA synthesis

Answer 11

Polymerase y (gamma)

Question 12

Eukaryotes:

Main polymerizing enzyme

Answer 12

Polymerase δ (gamma)

Question 13

Eukaryotes:

Leading strand replication enzyme

Answer 13

Polymerase ε (epsilon)

Question 14

Prokaryotes or Eukaryotes
Not all polymerase are exonucleases

Answer 14

Eukaryotes

Question 15

Prokaryotes or Eukaryotes

Several origins of replication

Answer 15

eEukaryotes

Question 16

Prokaryotes or Eukaryotes

Okazaki fragments 150-200 residues long

Answer 16

Eukaryotes

Question 17

Prokaryotes or Eukaryotes

Histones complexed to DNA

Answer 17

Eukaryotes