THE POLYMERASE CHAIN REACTION (PCR)
Explain how PCR amplifies DNA. Include in your answer explanations of the 3 processes of denaturation, annealing and extension. (10 marks)

Research 2 other variations of PCR. (10 marks)

Explain how gel electrophoresis allows DNA to be visualised. (5 marks)

Explain what a restriction enzyme is. (5 marks)

Referencing Requirements:
harvard referencing (cited in text) the number of sources is opened.
This is a report i have already finished the result bit and this discussion questions.

NO introduction
NO conclusion
Just answer the questions please and try to back up your answers with examples and diagrams.
The answers should be scientific not general.
im a biomedical student so you know what is expected from me.