DNA Replication

Multiple Choice

Why is it crucial that living things are able to replicate their DNA?

• Each cell must have its own DNA
• Less copies of DNA are needed when a new cell is created
• A cell needs multiple copies of DNA
• Only muscle cells need DNA 

Multiple Choice

In both prokaryotes and eukaryotes, DNA replication happens

• before cell division.

• in the nucleus

• only to telomeres

• around the histones

Multiple Choice

When reading DNA, we always start the the ____ end and end at the ____ end.

• 5’ prime, 3’ prime

• 3’ prime, 5’ prime

• longest end, shortest end

• top, bottom

Multiple Choice

To begin DNA replication, we first need to unzip the double helix ladder of DNA. What enzyme is responsible for unzipping the DNA strands?

• histones

• DNA helicase

• DNA polymerase

• chromatin

Multiple Choice

Which enzyme is responsible for adding nucleotides ("The Builder")?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

Multiple Choice

If a person suffered from a disorder where their DNA fragments were unable to fill in the missing slots in between the fragments of the lagging strand, they would most likely have a disorder that affected which enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

Multiple Choice

At the end of replication, the 2 new DNA molecules are:

• Identical

• Different

Multiple Choice

A DNA strand is 30% cytosine. What percent is guanine?

• 30%

• 60%

• 20%

• 40%