Evolution of human colour vision as 'visual purple' receptor proteins, are encoded by Rh1, OPN2 and RHO genes. They are characterized by extreme sensitivity to light and enable monochromatic human vision in low light or dim conditions. They are broken down into retinal and opsin when exposed to these conditions. Humans have 3 types of photopsin proteins found in the cone cells. Long Wavelength Sensitive Opsin (Red cone opsin) – Encoded by the OPN1LW gene with a λmax of 560 that is found in the yellow-green electromagnetic spectrum despite its name. Its sensitivity to the colour red is still known to be higher than the
What Mattered Most What Mattered Most What Mattered Most is the debut album of American country music artist Ty Herndon, issued in 1995 on Epic Records. The album's title track, which was Herndon's debut single, reached No. 1 on the "Billboard" Hot Country Singles & Tracks (now Hot Country Songs) charts in mid-1995. Other singles from the album were, in order, "I Want My Goodbye Back," "Heart Half Empty" (a duet with Stephanie Bentley) and "In Your Face." Doug Johnson produced the entire album, with additional production from Ed Seay on "Heart Half Empty". "What Mattered Most" was released on April 18, 1995,