Biology 91156 (2.4) Exam

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2You are advised to spend 60 minutes answering the questions in this booklet.Assessor’suse onlyQUESTION ONE: CELL DIVISIONDividing cells carry out the process of DNA replication prior to cell division.(a)State the purpose of DNA replication.DNA replication creates chromosomes with two chromatids. This process is referred to assemi-conservative replication.(b)Explain the process of how an original chromosome is replicated, and why the process isknown as semi-conservative replication. You may draw a labelled diagram(s) to support youanswer.Biology 91156 (2.4)
3Assessor’suse onlyBiology 91156 (2.4)
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Biology 91156 (2.4) Exam

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