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What is the difference between a prokaryotic and eukaryotic cell?

There are several key differences between prokaryotic and eukaryotic cells. Eukaryotic cells are found in multicellular plants and animals, whereas prokaryotic cells are found in bacteria and archaea which a...
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Answered by Charlotte M. Biology tutor
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Briefly describe the environmental effects of nitrogen fertilisers in a body of water

The nitrogen fertiliser would leach into the water. This would cause algae to grow exponentially on the surface of the water, therefore would reduce the amount of light available to plants below the surface....
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Answered by Holly B. Biology tutor
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How is an enzyme specific for a particular type of molecule?

Enzymes are protein molecules responsible for the catalysis-the increase in the rate of a reaction- of reactions taking place within our body. They are able to catalyse many reactions by their high specifici...
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Answered by Holly B. Biology tutor
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How are coenzymes used in the process of aerobic respiration?

Coenzymes contrary to their name aren't enzymes but are synthesised from vitamins. Their overall purpose is to bind to the active site of a specific enzyme to aid the binding of the complemenatry substrate, ...
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Answered by Sophie P. Biology tutor
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Describe how ions , water and sugar are obtained and transported through plants

This style of question is common and is often worth around 6 marks. You should address each of ions , water and sugar seperately to ensure that you get maximum marks. Ions enter the plant via diffusion or ac...
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Answered by Batoul A. Biology tutor
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