Your Research Project Involves the Characterization of a Recently Identified

question 32

Multiple Choice

Your research project involves the characterization of a recently identified transcription factor.As part of your project,you want to determine if this transcription factor binds directly to any of the general transcription factors.Unfortunately,you are having trouble expressing the full-length protein.What approach may help achieve your research goal?

• A)You must find a way to express the full-length protein,since transcription factor functions do not lie in separate domains.
• B)Identify the RNA that mediates the protein-protein binding.
• C)Express and purify only the DNA-binding domain,and test for binding.
• D)Express and purify only the activation domain,and test for binding.

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Definitions:

Lower Bound

The minimum level that an economic or financial variable can achieve, often used in the context of interest rates.

Fixed Price

A fixed price is a set cost for goods or services that does not change in response to market fluctuations or differing quantities purchased.

Common Stock

Type of equity security that represents ownership in a corporation, with rights to vote on corporate matters and share in dividends.

Real Goods

Real goods refer to physical, tangible products and commodities that can be touched, used, and traded, in contrast to services or digital products.