DNA Replication Review Day 2

Why is it crucial that living things are able to replicate their DNA?

• Each new cell must have its own DNA

• Less copies of DNA are needed when a new cell is created
• Only muscle cells need DNA 

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What could happen if DNA isn't copied correctly?

• Cancer

• Cell won't work properly

• Nothing will happen

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Which enzyme is responsible for adding nucleotides ("The Builder")?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

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The picture below shows an enzyme unwinding and unzipping DNA.

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​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

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Which enzyme fixes breaks and gaps in DNA strands?

• Helicase
• Polymerase
• Ligase
• Primerase

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

• Replication
• Translation
• Transcription

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Why does DNA replicate?

• To create another copy for the new cell
• To create a duplicate copy in case the original gets damaged
• To create a new copy to replace the damaged original

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What is the correct order of replication?

• Step 2

• 
• Step 1

• 
• Step 3

• 

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The end result of replication is ________________________.

• one new molecule of DNA

• two identical molecules of DNA

• two different molecules of DNA

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What is the shape of DNA?

• Double helix

• Triple helix

• Flat, bilayer

• Three-pronged rigid ladder

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