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Homeostasis can be defined as the maintenance of a constant internal environment despite various stresses in the external environment which may act to alter this stable state. The stable state that the bo...
The iodine test - use a dropper to apply a little iodine onto a small sample of the food. If starch is present, the iodine will change colour from orange/brown to blue/black.
This involves water molecules which are transported from an area of high concentration to a low concentration. This transportation is termed diffusion. This would occur through a partially permeable membr...
There is a risk to the health of the fetus There is a risk to the health of the mother There is a risk that this could lead to an abortion/miscarriage There is a risk that it could lead to "designer ...
A microorganism that causes disease
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