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The sequence of nucleotides in the coding strand closely matches that of mRNA, with the exception that Thymine (T) in the coding strand is substituted by Uracil (U) in mRNA.

1. (a)
2. (b)
3. (c)
4. (d)

Correct answer: (a)

Solution

The coding strand is not the template; it matches the mRNA sequence except that DNA contains thymine instead of uracil. Therefore the option showing this direct correspondence is correct.

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