DNA Replication

A

100

DNA replication makes a _______ copy of the two strands.

Complementary

200

DNA replication is ____conservative

semi

300

Replication is mediated by what enzyme?

DNA polymerase

400

Replication proceeds in the ______ direction

5' to 3'

500

In replication, the ____ strand serves as a template to the ____ strand

parental, daughter

B

100

What is the strand that replicates continuously

Leading strand

200

What is the main enzyme used in replication?

DNA Polymerase

300

What are the pieces of the Lagging strand also called?

Okazaki Fragments

400

Where does replication start?

Ori site, origin of replication

500

DNA strands replicate ___directionally

bi

C

100

Enzyme that unwinds DNA at the replication fork

Helicase

200

Enzyme that nicks and unwinds strands to release mechanical stress of unwinding

Topoisomerase

300

Enzyme that initiates new strand synthesis

RNA Primase

400

enzyme that joins okazaki fragments on lagging strand

DNA Ligase

500

What stabilizes single stranded DNA at replication fork?

Single stranded binding proteins (SSB Proteins)

D

100

Enzyme that removes RNA primer

DNA Polymerase I

200

What is the stranded that replicates in pieces

Lagging strand

300

Nucleotides are added to the ____ end of the strand

3' OH group

400

site where DNA strands separate to initiate replication

Replication Fork

500

what are TELOMERES

–Extra repetitions of non-gene DNA at 5’ end protect genes

•5’ ends of DNA not completed in copying

Shorten with each replication