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How does temperature affect enzyme activity?

A low temperatures enzyme activity will be slow but as the temperature rises the enzyme will gain more kinetic energy and hence move around more enabling greater interaction with the substrate. This will res...
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Answered by Amelia W. • Biology tutor
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Why is the left side of the heart more prominent than the right side?

There are two sides of the heart and each side (left and right) has two chambers each. The two chambers: atria (top) and a ventricle (bottom). Even though the two sides of the heart have two chambers each, t...
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Answered by Timi S. • Biology tutor
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How does natural selection lead to evolution?

Evolution describes the divergence of species by natural selection. It is best to think of this at the level of the gene pool. The gene pool is all the genes contained within a population. The gene pool is a...
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Answered by Michelle M. • Biology tutor
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Describe competitive and non-competitive inhibition of enzyme action.

To start with, let’s just quickly define an enzyme. An enzyme is a biological molecule that is able to speed up a reaction. Without the presence of enzymes, certain reactions just wouldn’t be able to take pl...
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Answered by Rowan S. • Biology tutor
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Explain the Theory of Natural Selection

There are four key points to natural selection: first, that individuals in all species show variation second, that this variation is genetic and therefore heritable third, that certain characteristics give t...
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Answered by Josie W. • Biology tutor
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