Immunoglobulins of Different Classes Have Different Structures

question 117

Multiple Choice

Immunoglobulins of different classes have different structures.  Some immunoglobulins have long hinge regions between the Fab and Fc regions, whereas others lack the hinge region, as shown in the image below: The hinge region provides movement flexibility to the Fab regions.  This is most likely to affect which of the following immunoglobulin properties?

• A)Affinity to antigen
• B)Antibody polymerization
• C)Avidity to antigen
• D)Effector cell interaction
• E)Effector cell specificity

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Definitions:

Unconscious Conflicts

Mental struggles largely beyond the awareness of an individual, often stemming from repressed feelings or experiences.

Social Skills Training

A form of behavior therapy used to improve interpersonal skills through learning and practicing new behaviors.

Modelling

A learning method where individuals ascertain how to act or perform by observing another individual.

Behavioural Rehearsal

A therapeutic technique involving the practice of desired behaviors in a safe setting to improve real-world application, often used in social skills training.