阿摩線上測驗
55. Which of the following minerals is associated with its use in animals?
(A) calcium construction and maintenance of bone
(B) magnesium cofactor in enzymes that make ATP
(C) iron necessary for thyroid function
(D) sulfur ingredient of nucleic acids
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統計： A(0), B(1), C(0), D(0), E(0) #3389880
統計： A(0), B(1), C(0), D(0), E(0) #3389880
