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Nucleotides make up DNA. Nucleotides themselves are made up of a phosphate, sugar and base.

They bases are: Adenine (A), Thymine (T), Cytosine (C), Guanosine (G). 

A is bonded to T. C is bon...

Cell division occurs through a process called mitosis where a mother cell splits in two to form daughter cells identical to that of the mother. The stages of mitosis are prophase, metaphase, anaphase, tel...

Eutrophication is a negative impact of the use of fertilisers on aquatic lifeforms. When nutrients from fertilisers (eg nitrate and phosphates) leach from farm fields into the water, this allows fast-grow...

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. I...

Tidal volume is the normal volume of air inhaled in one breath at rest.

Total vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation. This usually ...