Which Statement About the Adaptive Immune System Is True

question 61

Multiple Choice

Which statement about the adaptive immune system is true?

• A) In mammals every nucleated cell contains thousands of antibody genes.
• B) B cells have genomes identical to every other cell in the body.
• C) The random pairing of heavy and light chains helps reduce antibody diversity.
• D) Each mature B cell can produce several specific antibodies targeted to a several epitopes.
• E) B cells can change the class of immunoglobulin that they synthesize.

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Definitions:

Effortful Processing

Encoding that requires attention and conscious effort.

Automatic Processing

The cognitive process that occurs without conscious effort, allowing us to perform tasks with little mental effort once we have mastered them.

Retrace Steps

The act of going back over a route or path taken previously, often to find lost items or to recall events.

Iconic Memory

A type of visual sensory memory that preserves an image of a visual stimulus for a brief period after the stimulus is removed.