Term: opsin: retinal protein formed by the action of light on rhodopsin
Broader: protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | Unrelated: french teacher: someone who teaches French
Broader: protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | Unrelated: ersatz: an artificial or inferior substitute or imitation