The Latest Stages of Late Pro-B-Cell Development Are Recognized by the Association

question 18

Multiple Choice

The latest stages of late pro-B-cell development are recognized by the association of a surrogate light chain with a μ chain.The surrogate light chain is composed of

• A)E2A and EFB
• B)Igα and Igβ
• C)VpreB and λ5
• D)RAG-1 and RAG-2
• E)Pax-5 and CD19.

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Definitions:

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound vibrations are transmitted.

Auditory Receptors

Receptor cells located in the cochlea of the inner ear that detect sound waves and convert them into neural signals for the brain to interpret.

Stapes

The smallest bone in the human body, located in the middle ear, playing a crucial role in the conduction of sound vibrations to the inner ear.

Malleus

A small bone in the middle ear that transmits sound vibrations from the eardrum to the incus, one of three ossicles.