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Vitamin A (also known as retinol) is converted into retinal, an important molecule that can bind to the rhodopsin and capture light (photons). This conversion is done by a retinol dehydrogenase (see figure below). In patients that suffer from night blindness, very low level of retinal are detected. NAD+ NADH + H+ Retinol (Vitamin A) 4. What type of reaction is performed by the retinol dehydrogenase? Retinal A. It is a phosphorylation reaction in which retinol gains a phosphate group B. It is a dephosphorylation reaction in which retinol loses a phosphate group C. It is a redox reaction in which retinol is being oxidized D. It is a redox reaction in which retinol is being reduced E. It is a hydrolysis reaction in which a water molecule breaks down retinol

Vitamin A (also known as retinol) is converted into retinal, an important molecule that can bind to the rhodopsin and capture light (photons). This conversion is done by a retinol dehydrogenase (see figure below). In patients that suffer from night blindness, very low level of retinal are detected. NAD+ NADH + H+ Retinol (Vitamin A) 4. What type of reaction is performed by the retinol dehydrogenase? Retinal A. It is a phosphorylation reaction in which retinol gains a phosphate group B. It is a dephosphorylation reaction in which retinol loses a phosphate group C. It is a redox reaction in which retinol is being oxidized D. It is a redox reaction in which retinol is being reduced E. It is a hydrolysis reaction in which a water molecule breaks down retinol

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Vitamin A (also known as retinol) is converted into retinal, an important molecule that can bind to the rhodopsin and capture light (photons). This conversion is done by a retinol dehydrogenase (see figure below). In patients that suffer from night blindness, very low level of retinal are detected. NAD+ NADH + H+ Retinol (Vitamin A) 4. What type of reaction is performed by the retinol dehydrogenase? Retinal A. It is a phosphorylation reaction in which retinol gains a phosphate group B. It is a dephosphorylation reaction in which retinol loses a phosphate group C. It is a redox reaction in which retinol is being oxidized D. It is a redox reaction in which retinol is being reduced E. It is a hydrolysis reaction in which a water molecule breaks down retinol
Transcribed Image Text:Vitamin A (also known as retinol) is converted into retinal, an important molecule that can bind to the rhodopsin and capture light (photons). This conversion is done by a retinol dehydrogenase (see figure below). In patients that suffer from night blindness, very low level of retinal are detected. NAD+ NADH + H+ Retinol (Vitamin A) 4. What type of reaction is performed by the retinol dehydrogenase? Retinal A. It is a phosphorylation reaction in which retinol gains a phosphate group B. It is a dephosphorylation reaction in which retinol loses a phosphate group C. It is a redox reaction in which retinol is being oxidized D. It is a redox reaction in which retinol is being reduced E. It is a hydrolysis reaction in which a water molecule breaks down retinol
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