問題詳情
21. Liver cells, mammary cells, and skin cells all contain the same genome; however, their respective proteomes varydrastically. This observation is best explained by what phenomenon?
(A) cell growth
(B) cell division
(C) crossing over
(D) cell differentiation
(E) evolution
(A) cell growth
(B) cell division
(C) crossing over
(D) cell differentiation
(E) evolution
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