AIDS - Aquired immune deficiency syndrome, HIV - Human immunodeficiency virus, Reverse transcriptase - An enzyme which catalyses from production of DNA from RNA, Retrovirus - A group of viruses which can make DNA from RNA, Messenger RNA - A single stranded genetic material which contains the instructions to make a protein., ELISA test - Enzyme linked immunosorbant assay. Used to detect proteins in a sample e.g HIV, Murein - Baterial cell walls are made of this.,

A Level Biology Chapter 5- 5.7

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