Which of the Following Effects Is Possible If LEF1 Were $\alpha$

question 2

Multiple Choice

Which of the following effects is possible if LEF1 were omitted from an in vitro transcription assay that you were conducting to look at the expression of the TCR $\alpha$ gene?

• A)no transcription
• B)low levels of transcription
• C)lack of bending in the promoter DNA
• D)rapid initiation of transcription
• E)no transcription,low levels of transcription,and lack of bending in the promoter DNA are all possible outcomes.

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Definitions:

Deciduous Trees

Trees that shed their leaves annually, typically in the autumn, to conserve water during the winter or dry season.

Limnetic Zone

The open water away from the shore of a lake or pond extending down as far as sunlight penetrates. Compare with littoral zone and profundal zone.

Aquatic Ecosystem

A community of organisms and their physical environment interacting in a water-based environment.

Dense Coastal Fog

A thick fog that forms in coastal areas, usually due to the cooling of warm, moist air over cooler ocean currents.