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Biuret testThe solution colour changes to: Lilac / purple / mauve / violet(specific colour required, reject blue or pink)

DNA helicase (1 marks)DNA polymerase (1 marks)

Diffusion, osmosis and active transport are all transport processes. Diffusion refers to the movement of any molecules/ions apart from water whereas osmosis refers to the transport of only water. Active t...

Mitosis is a 4-stage process that produces 2 diploid daughter cells from a somatic parent cell (somatic cell is just another way to say any cell other than reproductive cells such as germ cells which prod...

The vaccine contains antigens of the virus. When injected, these antigens are recognised by macrophages which engulf the antigen and present the antigens on their surface. Once the antigens are presented,...