DNA Replication Review

What does the word "replicate" mean?

• To create something brand new

• To delete something
• To add something

• To make an exact copy of something.

What happens in DNA replication?

• DNA is copied

• DNA is destroyed

• DNA is changed

• DNA is rearranged

Where does DNA replication happen?

• The lysosomes

• The ribosomes

• The nucleus

• The mitochondria

DNA replication makes 2 _____________ copies

• Opposite

• Identical

• Similar

• Different

What does it mean that DNA replication is semi-conservative?

• Each new DNA molecule contains one original and one new strand.

• Each new DNA molecule contains two totally different strands

• Each new DNA molecule contains two original strands.

• Each new DNA molecule contains two new strands.

Tags

NGSS.HS-LS1-1

Why does DNA replication happen?

• So your body can make new cells

• So your body can get rid of old cells

• To make cells bigger

• To make cells smaller

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NGSS.HS-LS1-4

What monomer is DNA made up of?

• Monosaccharides

• Amino acids

• Nucleotides

• Fatty acids

Covalent bonds are _______________

• strong

• weak

Tags

NGSS.HS-PS1-2

Hydrogen bonds in between nitrogen bases are _______________

• strong

• weak

What does the enzyme helicase do during DNA replication?

• Unwinds the double-stranded DNA helix
• Adds new nucleotides

• Joins fragments

• Proofreads DNA for errors