What is copied during replication?



mRNA



rRNA



tRNA



DNA

What is the point at which a DNA strand is unzipped so that it can form new complimentary strands?



double helix



polymerase



replication fork



nuclease What is the function of DNA polymerase?



neither adding base pairs nor correcting errors



both adding base pairs and correcting errors



adding base pairs



correcting errors Two strands of DNA produced during replication are copies of each other because each strand in the double helix is ___________.



continuous



complementary



identical



connected What is the result of a mutation during replication?



The strands are continuous.



The strands are broken.



The strands are different.



The strands are identical