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Promoter Sequence

Which end of ...

Question

Which end of the template DNA is the TATA sequence present on?

3’ upstream

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3’ downstream

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5’ upstream

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5’ downstream

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Solution

The correct option is C
5’ upstream

The upstream direction begins from promoter towards 5’ end on the template DNA. Moreover, since the TATA sequence is the beginning of the promoter itself, it lies on the 5’ upstream end of the coding/template strand.

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