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4.3.1.A.Describe the term endocrine gland, exocrine gland, hormone and target cell

Molecules released by endocrine gland directly into the bladder
Acts as a chemical messenger as hormones carry signals form the endocrine gland to specific
target cells/tissues
E.g. Hormones Insulin/glycogen
Endocrine gland
The endocrine system is another communication…

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Found in the inside of the cell surface membrane

Camp (cyclic AMP)
Adrenaline receptors on the outside of the cell surface membrane a shape complimentary to
the shape of the adrenaline molecule
Enzymes adenly cyclase is associated on the inner surface of the cell surface membrane
Adrenaline in the blood…


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