A Researcher Is Interested in Whether or Not a Transcription

question 31

Multiple Choice

A researcher is interested in whether or not a transcription factor binds to a specific site on a strand of DNA. However, the samples accidentally contain SDS. What will the gel mobility shift assay results show?

• A) The protein will bind the DNA and retard the movement of the DNA through the gel.
• B) The protein will not bind to the DNA and the movement of the DNA through the gel will not be affected.
• C) The protein will bind the DNA and the movement of the DNA through the gel will not be affected.
• D) The protein will not bind the DNA and the movement of the DNA through the gel will be affected.

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Definitions:

Cross-price Elasticity

A measure of how the quantity demanded of one good changes in response to a change in the price of another good.

Substitutes

Goods or services that can be used in place of each other, having the capability to satisfy similar needs or desires.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various price points, at a given time.

Excise Tax

A per-unit tax on a specific good.