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DNA Replication and Hybrid DNA Proportions Quiz

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DNA Replication and Hybrid DNA Proportions Quiz

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Questions and Answers

What is the main enzyme involved in the replication process in living cells like E. coli?

DNA-dependent DNA polymerase (correct)

DNA-dependent RNA polymerase

RNA-dependent RNA polymerase

RNA-dependent DNA polymerase

Why is it important for DNA polymerases to catalyze the reaction with a high degree of accuracy?

To avoid mutations (correct)

To speed up the replication process

To reduce the cost of replication

To increase the efficiency of energy usage

What would happen if there is a mistake during DNA replication?

The process of replication speeds up

Energy efficiency increases

Mutations may occur (correct)

The cost of replication decreases

What serves as the template for DNA polymerase during the replication process?

DNA molecules from a previous generation Signup and view all the answers

What enzyme is responsible for catalyzing the polymerization of deoxynucleotides in E. coli?

DNA-dependent DNA polymerase Signup and view all the answers

What provides energy for polymerization reactions in DNA replication?

Terminal phosphates in deoxynucleoside triphosphates Signup and view all the answers

Why can't the two strands of DNA be separated over their entire length during replication?

Due to the high energy requirement Signup and view all the answers

What is the term used to describe the small opening in the DNA helix where replication occurs?

Replication fork Signup and view all the answers

Why is DNA replication continuous on one strand and discontinuous on the other?

As a result of the directionality of DNA polymerases Signup and view all the answers

Which enzyme is responsible for joining the discontinuously synthesized fragments in DNA replication?

DNA ligase Signup and view all the answers