Examlex
Which of the following best describes the position of the thymus gland?
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.
Phosphodiesterase
Enzyme that splits phosphodiester bonds—that is, that breaks down cyclic AMP to AMP.
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