Edexcel OLevel Biology revision notes

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Lesson

Lesson-5.3.1- understand how restriction enzymes are used to cut DNA at specific sites and ligase enzymes are used to join pieces of DNA together.

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Lesson-5.2.2- understand how selective breeding can develop animals with desired characteristics.Previous Lesson-5.3.2- understand how plasmids and viruses can act as vectors, which take up pieces of DNA, and then insert this recombinant DNA into other cells.Next