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Question
which of the following describes an association between vitamin a and 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 a molecule of vitamin a bound to an omega-3 fatty acid
Answer
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