A certain type of immune system cell, the plasma cell or B cell, makes antibodies (a type of defensive protein) that are secreted from the cell.

A certain type of immune system cell, the plasma cell or B cell, makes antibodies (a type of defensive protein) that are secreted from the cell. It is possible to trace the path of these proteins through the cell by labeling them with radioactivity. Please indicate the pathway these antibodies would take, starting from where they are made to the exit from the cell. Make sure to indicate each structure or organelle along the way.

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