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Promoter Sequence

Which end is ...

Question

Which end 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. Moreover, since the TATA sequence is the promoter itself, it lies on the 5’ upstream end of the coding strand.

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