You Work in an Immunology Lab That Is Trying to Develop

question 101

Multiple Choice

You work in an immunology lab that is trying to develop new vaccines against influenza virus proteins. You've been assigned the task of making immunoglobulins that bind the antigenic determinants found on the surface of influenza viral particles. Which of the following parts of the immunoglobulin would you alter to increase the strength of its binding to a specific antigenic determinant?

• A) The disulfide bonds
• B) The heavy chain constant regions only
• C) The variable regions of both the heavy and light chains
• D) The light chain variable regions only
• E) The light chain variable and constant regions

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Definitions:

Trunnion Seals

Seals used in the trunnion area of a machine or vehicle to prevent leakage of fluids around the trunnion bearings.

Universal Joints

Mechanical connections between rotating shafts, typically in vehicle drivetrains, allowing for transmission of torque and rotary motion even at angles.

Grease

A lubricant with a thicker consistency compared to oil, used in various mechanical systems to reduce friction and wear between moving parts.

Single-Piece Driveshaft

A type of driveshaft constructed as one solid unit, offering enhanced strength and reliability in transmitting power from the engine to the wheels.