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Amylase is the enzyme that controls the breakdown of starch to glucose. Describe how the student could investigate the effect of pH on the breakdown of starch by amylase.

Breakdown answer into 5 simple marks that can be easily understood and remembered:Control variable - Keep amount of amylase and starch the sameDependent Variables - change PH levels 3 times Keep temperature ...
KP
Answered by Kitty P. • Biology tutor
12648 Views

How do I make sure I am effective in answering the question when writing an essay?

You should firstly make sure you understand exactly what the question is asking. For example if you are asked to discuss the statement, ' Much American literature is characterised by the importance of hope i...
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Differentiate y = 5x^3 + 7x + 3 with respect to x

When differentiating with respect to x, we multiply the coefficient of the 'x' by the power of the 'x', and subtract one from the power of 'x'. For example:y = 5x^5dy/dx = (5 5)x^(5-1) = 25x^4If the power of...
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Answered by Jordan K. • Maths tutor
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If a gene mutation is associated with the development of Alzheimer's Disease (e.g. E280A), how might a high frequency develop in a population and why wouldn't natural selection decrease it?

A high frequency of mutation can be produced by having a small population, leading to high levels of inbreeding. When there is little interbreeding with different populations, the genetic diversity will rema...
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Answered by Caitlin R. • Biology tutor
2924 Views

What is the difference between a contractionary and expansionary fiscal policy?

First of all, it is important to understand what a fiscal policy really is. This is a tool used by the government to influence the aggregate demand of the economy and consequently, the total output produced ...
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Answered by Leonor F. • Economics tutor
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