Card 10 / 46: Blood cells and muscle cells make different proteins because:
A)
blood cells contain only the genes for making blood cell proteins and muscle cells only contain mucsle protein genes
B)
they are not yet differentiated
C)
all cells of an organism have the same genes, and express all of them
D)
even though both have the same genes, they express different genes
Answer:
D) even though both have the same genes, they express different genes
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