DNA Replication pt 1

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

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

• 5'UACGAGUCGACU3'

• 5'TACGAGTCGACT3'

• 3'UACGAGUCGACU5'

• 3'TACGAGTCGACT5'

Which letter in the given picture depicts the okazaki fragments?

• A - lagging strand

• C - leading strand

• B - lagging strand

• C - replication fork

Which of the following is required for DNA replication to occur?

• DNA helicase
• DNA ligase
• DNA polymerase
• all of these

During replication, what enzyme adds an RNA segment?

• Helicase

• Primase

• Ligase

• Polymerase II

Which enzyme is responsible for adding nucleotides to the free three prime end

• Helicase

• Topoisomerase

• DNA Polymersase 3

• DNA Polymersase 1

Which enzyme removes RNA Primers and adds DNA dNTP's

• Ligase

• Polymerase 1

• Polymerase 3

• Helicase

Direction that DNA is replicated

• 3' to 5'

• 5' to 3'

What strand is copied faster?

• Leading
• Lagging

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands