A Method of Determining If Proteins Are Interacting in Vivo

question 34

Multiple Choice

A method of determining if proteins are interacting in vivo that makes use of a transcription factor involved in regulating galactose metabolism genes is:

• A) a DNA microarray.
• B) yeast two-hybrid analysis.
• C) tandem affinity purification.
• D) immunofluorescence.
• E) quantitiative PCR.

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Definitions:

Brake Treadle Valve

A valve operated by a pedal that controls the flow of air or hydraulic fluid to the brakes.

Air Brake Treadle Valve

A valve controlled by the foot pedal in air brake systems, regulating air pressure sent to the brakes to slow down or stop the vehicle.

CMVSS 121

Canadian Motor Vehicle Safety Standard 121, concerning the requirements for air brake systems on heavy trucks and buses in Canada.

Dual Circuit Application Valve

A valve used in braking systems designed for redundancy, ensuring braking capability even if one circuit fails.