DNA Replication Video Lessons

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Problem: What is the function of DNA polymerase III? A) to unwind the DNA helix during replication B) to seal together the broken ends of DNA strands C) to add nucleotides to the 3' end of a growing DNA strand D) to degrade damaged DNA molecules

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DNA Replication Fork: Template DNA is read from the 3' to 5' direction


primase: adds RNA primers to start DNA replication

DNA ligase: combines Okazaki fragments together

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Problem Details

What is the function of DNA polymerase III? 

A) to unwind the DNA helix during replication 

B) to seal together the broken ends of DNA strands 

C) to add nucleotides to the 3' end of a growing DNA strand 

D) to degrade damaged DNA molecules

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What scientific concept do you need to know in order to solve this problem?

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