DNA Replication Practice Quiz

The enzyme used to separate the double helix into 2 single strands is:

• Helicase
• DNA polymerase III
• Gyrase
• Lipase

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Which sequence of DNA bases would pair with this partiaal strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Tags

NGSS.HS-LS1-1

Which type of sugar is in DNA?

• Deoxyribose
• Ribose
• Table sugar
• There is no sugar in DNA.

Which of the following is a base that is NOT contained in DNA?

• Adenine
• Thymine
• Uracil
• Guanine

An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the entire molecule has been replicated.

• RNA Polymerase
• Okazaki Fragments
• DNA Polymerase
• Translation

When an enzyme cuts open a DNA molecule, what type of bonds are being broken?

• Covalent Bonds
• Hydrogen Bonds
• Ionic Bonds
• Peptide Bonds

DNA is a polymer made of monomers (building blocks) called

• Nucleotides
• Proteins
• Amino Acids
• Lipids

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

When is the replication fork formed?

• After the helicase enzyme

• Before the helicase enzyme

• At the same time

• not at all