The Mechanisms of Joining and Random Deletion Account for Only

question 42

Multiple Choice

The mechanisms of joining and random deletion account for only a part of antibody diversity.Vast numbers of unique immunoglobulins are also produced by

• A) mutations.
• B) translocations.
• C) cell fusion.
• D) cell surface proteins.
• E) clonal selection.

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Definitions:

Panic Disorder

Anxiety disorder in which the individual experiences recurrent, sudden onsets of intense apprehension or terror, often without warning and with no specific cause.

Major Depressive Disorder

A mental disorder characterized by at least two weeks of persistent sadness, loss of interest in activities, and other emotional and physical symptoms.

Serotonin-norepinephrine Reuptake Inhibitor

A type of medication that increases the levels of serotonin and norepinephrine in the brain by inhibiting their reuptake, commonly used to treat depression and anxiety disorders.

Norepinephrine

A neurotransmitter involved in arousal and the fight-or-flight response among other functions.