10.The primary difference between enhancers and promoter-proximal elements is that enhancers_______.  
(A) enhance transcription; promoter-proximal elements inhibit transcription.
(B) are transcription factors; promoter-proximal elements are DNA sequences.
(C) are at considerable distances from the promoter; promoter-proximal elements are close to the promoter.
(D) are DNA sequences; promoter-proximal elements are also DNA sequences.
(E) are regulated by RNA for their functions.

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統計: A(0), B(1), C(1), D(2), E(1) #3187588

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