Assertion: nucleus's membrane | /r/HasProperty | figure 4a
Facets:
Source sentences:
text: Via secondary endosymbiosis, complex plastids originated in which the stroma is separated from the host cytosol by either three or four membranes ( Figure 4a ).
text: Although in some cases all compartments dating back to the secondary endosymbiont may have been eliminated—at least in the case of oomycetes (138)—plastids of peridinin-containing dinoflagellates and phototrophic euglenophytes are surrounded by three membranes and represent the most reduced morphotype of a secondary plastid in terms of the loss of surrounding membranes (Figure 4a).