3. Amoeba Sisters DNA Replication

When and where does DNA replication occur in a eukaryotic cell?

• During prophase, in the nucleus

• During interphase, in the cytoplasm

• During prophase, in the cytoplasm

• During interphase, in the nucleus

DNA replication is a semiconservative process. Why?

• When DNA replicates, each new DNA molecule contains half of the original molecule.

• When cells reproduce, the new cell needs a copy of the DNA.

• The two DNA strands do not go in the same direction.

• DNA polymerase can only add nucleotides to the 3’ end of the DNA strand.

What is the function of primers?

• Gives a place for helicase to start working.

• Gives a place for primase to start working.

• Gives a place for ligase to start working.

• Gives a place for DNA polymerase to start working.

Builds a new strand of DNA

• DNA polymerase

• Helicase

• Ligase

• Primase

• Single stranded binding proteins

Creates a piece of RNA

• DNA polymerase

• Helicase

• Ligase

• Primase

• Single stranded binding proteins

Glues DNA fragments together

• DNA polymerase

• Helicase

• Ligase

• Primase

• Single stranded binding proteins

Unwinds and unzips the DNA

• DNA polymerase

• Helicase

• Ligase

• Primase

• Single stranded binding proteins

Keeps the DNA strands separated

• DNA polymerase

• Helicase

• Ligase

• Primase

• Single stranded binding proteins