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Describe what cell differentiation is and provide an example of a cell that undergoes differentiation.

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 of ...
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Answered by Miranda A. • Biology tutor
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How to answer an extended answer question in an exam such as 'Describe the process of eutrophication (6 marks)'

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 there a...
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Answered by Avni P. • Biology tutor
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Why does the thermal stability of Group 2 carbonates increase down the group?

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 th...
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Answered by Saibhan B. • Biology tutor
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In mutations, what are the possible ways in which the DNA can be modified to make the proteins from which it is produced, non-functional or inactivated?

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 for ...
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Describe the structure of arteries, veins and capillaries and explain its relation to function

Arteries Arteries carry blood away from the heart. They have a thick muscular wall with a small lumen. The thick muscular walls withstands the high pressure of the blood flowing from the heart. Veins The vei...
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Answered by Lucy D. • Biology tutor
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