Multiple choice Phytoplasma antigenic protein interacts with which of the following? Endoplasmic reticulum Spindle fibers Microfilament complex Cytoplasmic membrane Reveal answer Fill a bubble to check yourself C Correct answer Explanation Phytoplasma antigenic protein has been shown to interact with insect microfilament complexes. It is believed to be the determining factor in insect-phytoplasma interaction.