AQA AS Biology Unit 2 Chapter 11 Hope this helps! :) 4.5 / 5 based on 13 ratings ? BiologyASAQA Created by: TaylorCreated on: 02-05-12 17:46 What is the name of the enzyme that breaks the hydrogen bonds linking the base pairs of DNA? Helicase 1 of 4 What is the order of the stages in the cell cycle? Interphase, Prophase, Metaphase, Anaphase, Telophase 2 of 4 Mitosis is important in two things because it produces genetically identical cells. What are these two things? Repair, Growth 3 of 4 Why is DNA replication described as semi-conservative? Because half the original strand is built into the new DNA strand 4 of 4
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