A) specialized granules responsible for coloration of cells
B) structures responsible for organizing the shape of the organism
C) incusion bodies lying free inside the cells for carrying out various metabolic activities
D) internal membrane systems that may become extensive and complex in photosynthetic bacteria
Correct Answer: D
Solution :
In some prokaryotes like, photosynthetic bacteria and blue-green algae possess small membrane lined chromatophores, which is similar to but chemically simpler than the chlorophyll of plants. The chromatophore is a simple, spherical body that lacks the complex internal structure, typical of plant chloroplasts.
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