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If production of an item results in negative external costs, then
Endoplasmic Reticulum
A membranous network within cells that is involved in protein and lipid synthesis, transport, and detoxification processes, existing in two forms: rough and smooth.
Calcium Ions
Positively charged calcium atoms (Ca2+) that play essential roles in biological processes like bone formation, muscle contraction, and blood clotting.
Signaling Pathway
Complex networks of molecules that transmit information from external stimuli to a cell's interior, triggering specific cellular responses.
Phosphodiesterase
An enzyme that plays a critical role in cellular signaling by breaking down phosphodiester bonds within cyclic nucleotides like cAMP and cGMP.
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