Examlex
Approximately how many single nucleotide polymorphisms have been identified in humans?
Plant Hormone
Naturally occurring organic compounds in plants that regulate growth, development, and responses to stimuli.
Rhodopsin
Visual purple; a light-sensitive pigment found in the rod cells of the vertebrate eye; a similar molecule is employed by certain bacteria in the capture of light energy to make ATP.
Signal Transduction
Signal transduction is the process by which a cell responds to external signals, converting them into cellular responses through a complex series of events.
Enzyme-Linked Receptor
A type of cell surface receptor that, upon binding to its ligand, activates an intrinsic enzymatic activity, leading to a cellular response.
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