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the process whereby certain substances are removed from a liquid and others retained, due to differences in their ability to pass through a semi-permeable membrane. Kidney dialysis is the medical procedure whereby a person's blood can be purified by passing it through a dialysis machine.
(also called herbivore) an animal that feeds directly on plant matter.
a pore in nuclear membrane that enables macromolecules to enter and leave the nucleus.
the gradual wasting away of the body caused by severe malnutrition, in the form of inadequate...
minerals and vitamins that are taken as nutritional supplements to regular food (in the form of...
a part of the brain that is located below the thalamus having numerous functions, such as: it...