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What is life?

Life is a complex thing that can be really hard to define. There are may different definitions, none that absolutely everyone can agree on, so we tend to describe it according to the context to which we are ...
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Answered by Jasmin R. • Biology tutor
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What is the difference between meiosis and mitosis?

Mitosis is the division that occurs in every cell in your body. It forms 2 diploid daughter cells, identical to each other and to the cell that has divided. There are 4 stages: prophase, metaphase, anaphase ...
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Describe how you would use a biochemical test to show that a solution contained a protein (2 marks)

Biuret testThe solution colour changes to: Lilac / purple / mauve / violet(specific colour required, reject blue or pink)
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Name two enzymes involved in DNA replication (2 marks)

DNA helicase (1 marks)DNA polymerase (1 marks)
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Explain the similarities and difference between diffusion, osmosis and active transport.

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 tran...
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Answered by Maya S. • Biology tutor
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