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What are the molecular processes involved in genetic modification? State which organisms can be genetically modified and why this may be beneficial.

Genetic modification involves the transfer of material from one species into another species. This involves using restriction enzymes, which recognise a particular DNA sequence to cut the DNA at this site. T...
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Answered by Emma P. English tutor
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Explain why sulfur dioxide has a low boiling point

The first thing to consider is the properties of sulfur dioxide. Sulfur dioxide is a simple molecule. It contains only three atoms which means it is small, and very strong covalent bonds connect these. Remem...
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Answered by Alex M. Chemistry tutor
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What sort of inhibitor in an enzyme catalysed reaction is NOT affected by substrate concentration?

Non competitive inhibitors bind to a site other than the active site, called the allosteric site. As a result of this, the 3D tertiary structure of the enzyme is damaged and the enzyme is no longer capable o...
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Answered by Aishwarya S. Biology tutor
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How do you find the volume of a conical frustum?

First look at the volume of a cone, V = (pi R H)/3. It is clear the volume of our conical frustum will be that of a large cone minus that of a smaller one on top. Also note that the smaller cone will simply ...
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Answered by Sam B. Maths tutor
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Can you explain the difference between diffusion and osmosis?

Diffusion refers to the movement of molecules or atoms from an area of high concentration to an area of low concentration, down a concentration gradient. It first clicked for me when I thought about it in te...
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Answered by Jonathan M. Biology tutor
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