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Explain the effect of a change in pH on enzyme action? (3 marks)

First step in answering this question is to read it carefully and determine what exactly is being asked:-we are being asked to give the reasons for the effect of 'pH change' only, not any other factors, so o...
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Answered by Shadha S. Biology tutor
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Solve the inequality 3x+7>x-3

To solve this inequality, we need to take steps to collect like terms on each side of the inequality. To start with, we can try getting all the numbers on one side of the inequality - on the left hand side, ...
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Answered by Nick B. Maths tutor
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What's the difference between a thermoset and a thermoplastic?

A thermoset is a plastic that changes from a liquid to a solid when heat is applied, in the same way that a cake does. They are difficult to recycle as they cannot be melted since the process is irreversible...
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How does phototropism occur?

Auxin is a growth hormone in that is found in plants. When it is released, it causes the affected cells to elongate. Auxin is released along the shaded side of the plant, at the shoot tip. This causes the ce...
Answered by Biology tutor
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How is crude oil separated?

Crude oil is separated by fractional distillation. The mixture of components is put in the distillation tube and heated. The different liquids start to evaporate and move up the fraction Column. The componen...
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Answered by Lydia W. Chemistry tutor
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