Which form of vitamin A enables the eye to react to changes in light?
a. retinol.
b. retinoic acid.
c. retinal.
d. beta-carotene.
Ans: c. retinal.
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a. True b. False Indicate whether the statement is true or false
Phytochemicals that are found in high amounts in dried beans and that neutralize cancer-causing enzymes in the gut are called:
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Indicate whether the statement is true or false