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hormone produced by the pancreas, which catalyses the conversion of glycogen to glucose.
(also called lithospheric plates) massive, irregularly shaped slabs of solid rock.
an enzyme that catalyses (speeds up) the hydrolysis (breaking) of a chemical bond.
a perforated wall or part of a wall at the end of one of the individual cells making up a sieve...
an endocrine gland attached to the base of the hypothalamus, which secretes hormones that play a...
the kingdom of multicellular organisms that contain chlorophyll and make their own food by...