Several studies have shown that b-carotene, a precursor of vitamin A, may play a role in
Chapter 5, Problem 6(choose chapter or problem)
Several studies have shown that b-carotene, a precursor of vitamin A, may play a role in preventing cancer.b-Carotene has a molecular formula of C40H56, and it contains two rings and no triple bonds. How manydouble bonds does it have?
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