What DNA strand is read by RNA polymerase II? Coding DNA strand Sense DNA strand Antisense, noncoding or template DNA strand Varies between genes Any of the above
Question
What DNA strand is read by RNA polymerase II? Coding DNA strand Sense DNA strand Antisense, noncoding or template DNA strand Varies between genes Any of the above
Solution
The DNA strand that is read by RNA polymerase II is the Antisense, noncoding or template DNA strand.
Here's a step-by-step explanation:
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DNA is made up of two strands: the coding (sense) strand and the noncoding (antisense or template) strand.
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The coding strand has the same sequence as the mRNA, except that it contains thymine (T) instead of uracil (U).
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The noncoding strand, on the other hand, is the one that is transcribed by RNA polymerase II to form an mRNA molecule.
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RNA polymerase II moves along the noncoding strand of the DNA, synthesizing mRNA in the 5' to 3' direction.
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The mRNA molecule then undergoes further processing before it is translated into a protein.
So, the correct answer is the Antisense, noncoding or template DNA strand.
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