DNA Replication Quiz

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

DNA replication takes place in eukaryotic cells during which phase?

• G1

• S

• M

• G0

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative

Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Adenine -

• Thymine

• Guanine

• Cytosine

Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Cytosine-

• Thymine

• Guanine

• Adenine

Which enzyme is responsible for adding the free nucleotides to the replicating DNA? ​

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

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

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Enzymes: Enzyme that connects the DNA to the backbone (glues)

• Ligase

• Polymerase

• Helicase

• Primase