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When an action potential arrives at the presynaptic terminal of a neuromuscular junction, the depolarisation stimulates voltage-gated Ca2+ channels to open, and calcium ions flow into the neurone. This fl...
Cell differentiation is the process by which a cell changes to become specialised for its function. As cells change they develop different sub-cellular structures, eventually turning into different types ...
When answering a 6 mark question such as this you need to ensure you are using the correct scientific terminology and checking off all the key marking points in order to score highly. In this example ther...
Going down the group, Group 2 carbonates decompose at increasingly higher temperatures.This is because the Group 2 metal ion radius/size increases down the group while the charge stays the same.This means...
Protein production by the ribosome ultimately depends on the triplet sequence of DNA. Each triplet codes for one amino acid, thus, alterations in this triplet code will change the amino acid if it codes f...
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