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What is Eutrophication? What are the stages of Eutrophication?

Eutrophication is the loss of oxygen in a body of water (e.g. pond or lake). This is usually due to algal bloom caused by artificial fertilisers and other chemicals being washed into the water by rain.The 5 ...
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Answered by Charlotte G. • Biology tutor
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What is the difference between mRNA and tRNA?

RNA stands for riboncleic acid. mRNA is messenger RNA. This type of RNA is a linear polymer involed in a part of protein symthesis called transcription. It allows the DNA code to be taken outside the nucleus...
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Answered by Sophia L. • Biology tutor
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What properties does water possess that make it an essential molecule for life?

· Solvent – Good for polar substances (salts, sugars, simple alcohols) · Heat Capacity – Energy to raise 1kg water by 1 o K. Keeps blood temperature stable · Heat of Vaporisation – Good for sweat, absorbs a ...
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Answered by Connor B. • Biology tutor
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What is the function of muscle cells found in the stomach wall

Muscle cells are present in the stomach wall so that they can contract and move the food. This aids digestion and the action of enzymes
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Answered by Helen J. • Biology tutor
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What is active transport?

The movement of molecules from an area of high concentration to low concentration across a membrane using energy.
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Answered by Jessica W. • Biology tutor
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