Paulinella Chromatophora Is One of the Few Cercozoans That Is

Multiple Choice

Paulinella chromatophora is one of the few cercozoans that is autotrophic, carrying out aerobic photosynthesis with its two elongated "chromatophores." The chromatophores are contained within vesicles of the host cell, and each is derived from a cyanobacterium, though not the same type of cyanobacterium that gave rise to the chloroplasts of algae and plants.
Including the membrane of the surrounding vesicle, which answer identifies the maximum number of phospholipid bilayers present in the chromatophores of P. chromatophora and the bilayer in which the photosystem is most likely located?

A) two; innermost
B) two; outermost
C) three; innermost
D) three; middle