DNA Replication

Each DNA molecule created contain one NEW strand and one OLD strand

• True

• False

Okazaki fragments are found on the _______________ strand

• Leading

• Lagging

What are the gaps between the newly synthesized DNA on the lagging strand called?

• Okazaki fragments

• Polymer gaps

• Helicase fragments

• Acidic gaps

DNA replication runs from ______' to _____' and is said to be ______________________

• 5, 3, antiparallel

• 3, 5, antiparallel

• 5, 3, parallel

• 3, 5, parallel

Tags

NGSS.HS-LS1-1

DNA replication results in

• 2 completely new DNA molecules

• 2 DNA molecules that each contain a strand of the original

• 1 new DNA molecule and 1 old

• 1 new molecule of DNA

Which enzyme is responsible for unwinding the DNA double helix prior to replication?

• DNA polymerase I

• DNA polymerase III

• Helicase

• Ligase

Which enzyme fixes the Okazaki fragments in the lagging strand?

• Helicase

• Polymerase

• Ligase

• Primerase

3' and 5' refer to...

• How effectively the helicase works

• What direction the nucleotides are pointing

• Where the RNA primer attaches

• Okazaki's famous experiment

Tags

NGSS.HS-LS1-1

The enzyme that splits open the DNA creates what's called a fork - where the DNA separates into the lagging strand and the ______ strand.

• leading

• leveraging

• Okazaki

• ligase

Polymerase is able to replicate the new DNA ______ along the leading strand.

• continuously

• only in short fragments

• very slowly

• prokaryotically