Blocking the Antigen Receptors on the Surface of Lymphocytes Would

question 3

Multiple Choice

Blocking the antigen receptors on the surface of lymphocytes would interfere with

• A) phagocytosis of the antigen.
• B) that lymphocyte's ability to produce antibodies.
• C) antigen recognition.
• D) the ability of the lymphocyte to present antigen.
• E) agglutination of the antigen.

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Definitions:

Heterotrophic Protists

Protists that obtain their nutrition by consuming organic compounds, contrasting with those that produce their own food through photosynthesis.

Cell Wall

Rigid but permeable layer of extracellular matrix that surrounds the plasma membrane of some cells.

Secondary Endosymbiosis

A chloroplast evolves from a red alga or green alga that was engulfed by a heterotrophic protist.

Primary Endosymbiosis

An organelle evolves from bacteria that entered a heterotrophic protist.