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Muscle contractions occur when there is a decreased:
Glycoproteins
Molecules consisting of a protein bonded to sugar chains, essential in cell recognition, immunity, and cell signaling.
Receptors
Proteins located on the cell surface or within cells that bind specific molecules (ligands), triggering a biological response.
Cyclic Adenosine Monophosphate
A second messenger important in many biological processes, derived from ATP and used for intracellular signal transduction.
Glucocorticoid
A class of steroid hormones that play a role in regulating metabolism, immune response, and stress response, produced in the adrenal cortex.
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