Assertion: cryptomonad's chloroplast | /r/LocatedNear | double membrane
Facets:
Source sentences:
text: The chloroplasts are surrounded by a double membrane, have thylakoids grouped in lamellae, and contain chlorophyll a and b along with some accessory pigments including carotenoids and xanthophylls.
text: The fact that chloroplasts are surrounded by a double membrane is often cited as evidence that they are the descendants of endosymbiotic cyanobacteria.