Once a Macrophage Ingests a Foreign Antigen, How Is the Antigen

question 5

Multiple Choice

Once a macrophage ingests a foreign antigen, how is the antigen presented?

• A) The antigen is embedded directly into the cell membrane of the macrophage.
• B) The antigen is embedded in the membrane of a transport vesicle and released via exocytosis.
• C) The antigen is attached to a receptor protein, forming a receptor-antigen complex.
• D) The antigen is attached to MHC markers, forming a MHC-antigen complex
• E) The antigen becomes part of the T cell membrane.

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