AS DNA Replication

In which direction does DNA replication occur?

• 3' -> 3'

• 3' -> 5'

• 5' -> 3'

• 5' -> 5'

Identify the enzyme that copies DNA in the replication process.

Which bonds must be broken to separate the two strands of DNA for replication to occur?

• Disulfide bridges

• Phosphodiester bonds

• Peptide bonds

• Hydrogen bonds

What is the term for the short fragments of DNA that form to produce the lagging strand?

Identify the enzyme that catalyses the joining together of two nucleotides

• DNA ligase

• DNA primase

• Helicase

• RNA polymerase

What two word term describes the process of DNA repliaction as in each of two new molecules of DNA half of the original molecule is kept?

What term describes a short length of DNA that codes for a particular polypeptide or protein?

Identify the bonds that forms to link two nucleotides togather

• Hydrogen bond

• Phospodiester bond

• Ionic bond

• Glycosidic bond

What term describes the strand of DNA that is produced when the parent strand that runs in a 3' -> 5' direction is copied?

When in the cell cycle is all the DNA of a cell replicated?

• Cytokinesis

• G1

• S

• G2