Replication

DNA replication takes place in eukaryotic cells during which phase?

• G1

• S

• M

• G0

DNA replication creates two strands of DNA from one. If pink is parental DNA and blue is new DNA - which picture demonstrates the accepted model of DNA replication after the SECOND replication cycle?

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What enzyme is responsible for the second step of DNA replication?

• DNA Ligase unwinds original DNA strand

• RNA Primase lays down RNA primers for new nucleotide bases.

• RNA polymerase builds new strands by bringing in new nucleotide bases.

• Helicase knits together fragments on lagging strand

Which letter in the given picture depicts the okazaki fragments?

• lagging strand

• leading strand

• lagging strand

• replication fork

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

order of replication

• 3, 2, 1, 4

• 2, 1, 4, 3

• 2, 3, 1, 4

• 3, 4, 1, 2

Tags

NGSS.HS-LS1-1

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

The drawing shows the structure of what molecule?

• DNA molecule

• lipid molecule

• carbohydrate molecule

• protein molecule

Tags

NGSS.HS-LS1-1

What is the purpose of DNA replication?

• Cut the DNA 

• Make more cells

• Apoptosis

• Duplicate the DNA

Which enzyme seals okazaki fragments together on the lagging strand?

• Topoisomerase

• Helicase

• Polymerase

• Ligase