Replication of DNA

With what does the synthesis of a new strand of DNA begin?

• RNA primer

• nucleotide unit

• messenger RNA

• transfer RNA

Which is true about the elongation of the lagging strand?

• does not require a template strand

• produces Okazaki fragments

• requires the action of RNA ligase

• proceeds by continually adding nucleotides to the 3’ end

Which describes DNA replication in prokaryotes?

• does not require DNA to unzip

• moves in one direction only

• occurs in two directions

• starts at multiple spots on a chromosome

Which catalyzes the addition of nucleotides to a newly forming DNA strand?

• DNA polymerase

• DNA ligase

• DNA primer

• RNA primer

What best describes the DNA molecules produced during the process of semiconservative replication?

• They contain one strand of parental DNA and one strand of new DNA.

• They contain two new strands of DNA.

• They contain two strands of parental DNA.

• They contain one strand of combined parental DNA and new DNA.