Examlex
How can one compound contain both ionic and covalent bonds? Give an example.
Protein Kinase
An enzyme that modifies other proteins by chemically adding phosphate groups to them, impacting their activity.
Calmodulin
Protein receptor for Ca2+ that plays a role in many Ca2+-regulated processes, such as smooth muscle contraction.
Steroid Hormones
Lipid-soluble molecules derived from cholesterol that regulate a variety of physiological functions including metabolism, inflammation, and sexual function.
Plasma Membrane
The lipid bilayer that surrounds a cell, controlling the passage of substances in and out of the cell.
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