Replication

Which enzyme fixes the Okazaki fragments in the lagging strand?

• Helicase
• Polymerase
• Ligase
• Primerase

Which of the following must happen first in order for DNA replication to occur?

• DNA polymerase binds to the leading strand
• DNA is unwound
• Hydrogen bonds form between bases
• chromosomes condense

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

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

Which enzyme proofreads and removes RNA Primase

• Ligase

• Polymerase 1

• Polymerase 3

• Helicase

Direction that DNA is READ?

• 3' to 5'

• 5' to 3'

Meselson and Stahl determined the mode of______

• Transcription

• Translation

• DNA replication

• Packaging of DNA

The bacterial DNA in light culture contained________.

• ¹⁵N

• ²⁴Na

• ¹⁴N

• ¹¹C

The replication occurs within a small opening of the DNA helix called as ________.

• Replication fork

• Replication zip

• ori

• Replication knife

The enzyme DNA polymerase can only add nucleotides to the _________ position.

• 3' phosphate

• 5' carbon

• 3' carbon

• 5' phosphate

Formation of new strand requires a primer,which is a short stretch of_____.

• DNA

• RNA

• Protein

• Vitamin