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Biology
A Level

What is the function of the myelin sheath?

Neurones can either be myelinated - they are sorrounded by a myelin sheath, or unmyelinated - they are not surrounded by a myelin sheath.
The myelin sheath is made up of Schwann cells and there are g...

CR
Answered by Chloe R. • Biology tutor
80407 Views

What is the role of ATP in a cell?

Adenosine triphosphate (ATP) is a small molecule that acts as a coenzyme within a cell.
The main role of ATP is to provide energy. Below are the ways it provides energy which can described in an exam...

CR
Answered by Chloe R. • Biology tutor
57755 Views

How is blood glucose maintained in the body?

The control of blood glucose levels is an example of homeostasis. The human body requires glucose for normal respiration of cells, but the blood levels is in a 

MD
Answered by Mirac D. • Biology tutor
15741 Views

What is the role of mitochondria in animal cells?

Mitochondria are organelles which provide the energy used up by the cell in respiration, through producing molecules called A...

MD
Answered by Mirac D. • Biology tutor
17522 Views

Describe the process of translation in protein synthesis

- Following transcription, the mRNA (messenger RNA) leaves the nucleus via the nuclear pores and enters the cytoplasm. It then attaches to a ribo...

FL
Answered by Florence L. • Biology tutor
44286 Views

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