Indicate the Correct Order of Events in the Processing of Phagocytized

question 46

Multiple Choice

Indicate the correct order of events in the processing of phagocytized antigens.
1) CD4 coreceptor attaches to the neoantigen.
2) a transport vesicle from the ER forms carrying a Class II MHC molecule.
3) degradation of phagocytized proteins in a phagolysosome.
4) neoantigen binding to the receptor of a T_H cell.
5) fusion of ER vesicle and phagolysosome allows neoantigen formation

• A) 5, 4, 3, 2, 1
• B) 4, 2, 1, 5, 3
• C) 3, 2, 1, 4, 5
• D) 3, 2, 5, 4, 1

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