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If a local government collects taxes of $250,000,has $175,000 of government consumption expenditures,makes transfer payments of $75,000,and has no interest payments or investment,its budget would
Receptors
Proteins typically found on cell surfaces that bind to specific molecules, triggering a response in the cell.
Signaling Molecules
Chemicals released by cells that communicate and coordinate actions across the body or between organisms, crucial in many biological processes.
Histamine
A compound released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
Prostaglandins
A group of physiologically active lipid compounds that have diverse hormone-like effects in animals.
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