Peptidoglycan Occurs Between the Chloroplast Membranes of Glaucophytes, the First

Multiple Choice

Peptidoglycan occurs between the chloroplast membranes of glaucophytes, the first eukaryote group to branch off following primary endosymbiosis.This is strong evidence that all chloroplasts arose from the engulfment of one cyanobacterium by a larger eukaryotic cell, because

A) peptidoglycan is a photosynthetic pigment.
B) peptidoglycan occurs in the cell wall of bacteria.
C) eukaryotes produce peptidoglycan during phagocytosis.
D) prokaryotes produce peptidoglycan as a toxin against predators.
E) peptidoglycans were obtained by conjugation.