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an enzyme that digests lipids.
the blood vessel that carries blood from the digestive tract to the liver.
the domain that contains prokaryotic micro-organisms. Some live in extreme environments, such as...
variation due to the small differences in the genes that control each feature and characteristic...
drugs that are used to suppress the immune system to prevent tissue rejection.
the muscular tube of the mammalian digestive tract that links the mouth to the stomach.