(D) In some prokaryotes like cyanobacteria,there are membranous extensions into the cytoplasm called chromatophores. These structures contain pigments

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internal membrane system which becomes extensive and complex in photosynthetic bacteria.

(D) In some prokaryotes like cyanobacteria,there are membranous extensions into the cytoplasm called chromatophores. These structures contain pigments and are involved in photosynthesis. Therefore,they represent an internal membrane system that becomes extensive and complex in photosynthetic bacteria.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

In prokaryotes,chromatophores are

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A
specialized granules responsible for colouration of cells.
B
structures responsible for organizing the shape of the organism.
C
inclusion bodies lying free inside the cells for carrying out various metabolic activities.
D
internal membrane system which becomes extensive and complex in photosynthetic bacteria.