The Molecular Fragment on an Antigen Molecule That a Lymphocyte

question 16

Multiple Choice

The molecular fragment on an antigen molecule that a lymphocyte recognizes and responds to is called a/an

• A)epitope.
• B)hapten.
• C)antigen binding site.
• D)variable region.
• E)None of the choices are correct.

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Definitions:

Needle

A slender, pointed instrument typically made of metal, used for sewing, puncturing, or injecting.

Incubation Period

The interval between exposure to infection and the appearance of the first symptom.

Rubeola Measles

A highly contagious viral infection characterized by a red skin rash; also known simply as measles.

IV Bag

A plastic bag containing liquids, such as saline solution, medications, or nutrients for intravenous infusion.