Which of the Following Statements Accurately Describes Vitamin A's Role

question 48

Multiple Choice

Which of the following statements accurately describes vitamin A's role in vision? 

• A) Retinoic acid is the form required for synthesis of retinoblasts. 
• B) Light causes retinal to shift from a cis to a trans configuration. 
• C) Retinol is the form bound to beta-carotene in the corneal membrane. 
• D) Pigment molecules in the retina are composed of vitamin A and the protein elastin. 
• E) Retinol protects the visual cortex from teratogenic chemicals.

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Welfare Reform Act

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1996

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