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15 January, 23:55

What happens to the DNA molecule at the beginning of transcription?

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  1. 15 January, 23:58
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    When a gene is to be expressed, the base sequence of DNA is copied or transcribed into mRNA (messenger RNA). This process takes place in the nucleus and occurs in a series of stages.

    1. RNA polymerase moves along the DNA unwinding the strand.

    2. Hydrogen bonds between base pairs break which allows the unzipping of the double helix.

    Hope that answer fits your question.
  2. 16 January, 00:01
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    Are there multiple choice options for this question?
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