QUESTION IMAGE
Question
the picture below shows the process of transcription. during transcription, enzymes bind to a molecule of dna. then, the enzymes unwind and separate the dnas double helical strands. as the molecule unwinds, complementary nucleotides pair with one of the dna strands to form
a. an rna molecule
b. a dna polymerase
c. an identical strand of dna
d. a protein molecule
转录(transcription)是指以DNA的一条链为模板合成RNA的过程。在这个过程中,核苷酸会与DNA的一条链配对形成RNA分子。DNA聚合酶(DNA polymerase)是参与DNA复制的酶;转录形成的不是与模板链完全相同的DNA链;蛋白质分子是通过翻译(translation)过程由mRNA指导合成的,而不是转录过程直接形成的。
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A. an RNA molecule