問題詳情
19. Muscle cells differ from nerve cells mainly because they
(A)contain different genes.
(B)express different genes.
(C) use different genetic codes.
(D)have unique ribosomes.
(E)have different chromosomes.
(A)contain different genes.
(B)express different genes.
(C) use different genetic codes.
(D)have unique ribosomes.
(E)have different chromosomes.
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