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building block o fproteins
simple inorganic chemical substances (mineral salts) that are needed in very small amounts for...
an infectious disease of the digestive system that is characterised by diarrhoeaandbloodinthe...
the process whereby substances dissolved in the blood (such as H+ ions, nitrogenous waste and...
a liquid-filled body cavity formed within the mesoderm of some animals. The cavity occurs...
a type of nuclear division during which somatic cells divide into new cells for growth or to...