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a pore in nuclear membrane that enables macromolecules to enter and leave the nucleus.
Linnaeus' two-part name system; the first name of the organism is the genus to which it belongs...
a gland which secretes substances, usually enzymes, through a duct directly to the part of the...
specialised heart muscle tissue between the right atrium and right ventricle which conducts the...
a large tongue-shaped organ in the mammalian body which secretes hormones and digestive enzymes...