Description

5-step animation. Step 1: 'INITIATION - RNA polymerase binds to the PROMOTER region (a special sequence before the gene). The DNA double helix unwinds at that gene.' Step 2: 'RNA POLYMERASE reads the TEMPLATE STRAND (3'→5') and builds the mRNA (5'→3'). It adds complementary RNA nucleotides: A→U (not

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