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iodopsin

n. any one of three photopigments found in the retinal cones. Each consists of 11-cis-retinal combined with one of three different opsins, each of which confers a different wavelength sensitivity on the iodopsin. Also called cone opsin. See also rhodopsin.

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Psychology term of the day

May 9th 2024

exon

exon

n. a sequence of DNA within a gene that encodes a part or all of the gene’s product or function. Exons are separated by noncoding sequences (see intron).