Chlorophyll in photosynthetic prokaryotic bacteria is associated with

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plastids

membranous vesicles

nucleoids

chromosomes

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UPSC CDS-2 – 2019

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Photosynthetic prokaryotic bacteria, such as cyanobacteria, lack membrane-bound organelles like chloroplasts (which contain chlorophyll in eukaryotes). Instead, their photosynthetic pigments, including chlorophyll, are embedded within internal membrane systems. These membrane systems can take various forms, including flattened sacs, tubules, or vesicles, which are often referred to as chromatophores or thylakoids depending on their arrangement, and are essentially membranous structures or vesicles.

Chlorophyll in photosynthetic prokaryotes is not contained within plastids but is located in specialized internal membrane structures within the cytoplasm.

Plastids (like chloroplasts) are organelles found in eukaryotic cells (plants and algae). Nucleoids are the regions where the prokaryotic genetic material is located. Chromosomes refer to the structured form of DNA.

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