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Gene = the portion of DNA coding for a particular proteinAllele = one of the alternative forms of a gene

ADH (anti-diuretic hormone) is a hormone that is released by the brain. It is released if there is too much water loss via the kidneys, if this occurs, then the pituitary gland releases ADH into the blood...

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of ...

Auxins are plant growth hormones found in both the roots and shoots of plants, in the shoots they promote growth whereas in the roots they inhibit it. In the shoots they cause cell elongation in the side ...

1 mark up to a total of 2 from: Doctors should not over prescribe antibiotics, e.g. for viral illness such as the common cold. Patients should ensure they complete their full antibiotic prescription, even...