DNA Replication: Structured Notes Aim: To learn how to outline the process of replication of DNA to be able to confidently answer a question like:

Explain how DNA is replicated within the cells of living organisms. (Total 8 marks)

Introduction The five diagrams in the table below illustrate the main parts of the process of DNA replication which you need to understand for SL. Look at each diagram and explain how each image is important in the process. Image

Important in DNA replication because… ……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

© David Faure, InThinking www.biology-inthinking.co.uk

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DNA Replication: Structured Notes

……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

……………………………………………………………….. ……………………………………………………………….. ………………………………………………………………..

Did you include the following ideas?      

The structure of DNA The unwinding the double helix The separation of the strands by helicase The formation of the new complementary strands by DNA polymerase. Explain how complementary base pairing keeps the base sequence of DNA. State that DNA replication is semi-conservative.

© David Faure, InThinking www.biology-inthinking.co.uk

2

DNA Replication: Structured Notes Aim: Introduction

The five diagrams in the table below illustrate the main parts of the process of DNA replication which you need to understand for SL. Look at each diagram and explain how each image is important in the process. Image. Important in DNA replication because… ……………………………………………………………….. …

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