What is the biologically active form of Vitamin A necessary for rhodopsin formation?
Answer
Retinol
Retinol is the biologically active form of Vitamin A that is directly required for the synthesis of rhodopsin. Rhodopsin is a crucial light-absorbing molecule located within the photoreceptor cells embedded in the retina of the eye. Adequate levels of Vitamin A, obtained through the conversion of dietary beta-carotene, ensure that sufficient retinol is available to facilitate this process, which is fundamental for maintaining proper visual function. A deficiency in Vitamin A can directly impair rhodopsin production, leading to recognized vision problems such as night blindness.
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