Ward AP Biology: DNA Replication

This enzyme joins fragments of the lagging strand.

• DNA polymerase
• Helicase
• Ligase
• RNA Polymerase
• Topoisomerase

This enzyme creates a primer to begin a new strand of DNA in DNA replication.

• DNA polymerase
• Helicase
• Ligase
• RNA Polymerase
• Topoisomerase

This is a short stretch of RNA that is used to start a complementary strand of DNA during replication.

• Liger
• Primer
• Okazaki fragment
• Initiator

Tags

NGSS.HS-LS3-2

A new strand of DNA is created in the ____ direction during DNA replication.

• 3' to 5'
• 5' to 3'

Each daughter DNA molecule is composed of...

• one original strand and one new strand
• two new strands
• two original strands

The _____ strand is made in short fragments during DNA replication

• leading
• lagging

The difference in the way that the leading and lagging strands are made is a result of...

• DNA polymerase
• Helicase
• Ligase
• RNA Polymerase
• Topoisomerase

New nucleotides are added to the ___ end of an already placed nucleotide.

• 3'
• 5'

The lagging strand is created after the leading strand.

• true
• false

DNA polymerase synthesizes the leading strand and RNA polymerase synthesizes the lagging strand

• true
• false