Cyanobacteria

Cyanobacteria contain structures similar to PS II and PS I in chloroplasts. Their light-harvesting system is different from that found in plants (they use phycobilins, rather than chlorophylls, as antenna pigments), but their electron transport chain ...
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Cyanobacteria are close to the ancestors of chloroplasts, but cyanobacteria maintain fully functional respiratory and photosynthetic complexes in the same internal membrane system, the thylakoids.
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Cyanobacteria
chlorophyll a, chlorophyll c, phycocyanin, phycoerythrin
Chloroxybacteria ...
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cyanobacteria: see blue-green algae.
cytochromes: molecules that accept and release electrons in an electron transport system.
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Cyanobacteria also contain two antenna pigments:
blue phycocyanin (making them "blue-green") and
red phycoerythrin (The Red Sea gets its name from the periodic blooms of red-colored cyanobacteria.) ...
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cyanobacteria
a large and varied group of bacteria which possess chlorophyll a and which carry out photosynthesis in the presence of light and air with concomitant production of oxygen.
Covered in Lab 6 Diversity of Microorganisms ...
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Cyanobacteria
: Unicellular, photosynthetic (photo-
autotroph
) prokaryote (in the Kingdom
Monera
).
Formerly known as blue-green algae.
It contains chlorophyll
a
but not chloroplast. They reproduce by fission and never sexually.
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cyanobacteria (blue-green algae)The prokaryotic and generally photosynthetic organisms included in the kingdom Monera.
cyanogenic glycoside Glycoside that releases cyanide.
cyanophyte A cyanobacterium, blue-green alga.
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Traditionally the cyanobacteria have been included among the algae, referred to as the cyanophytes or Blue-green Algae, though some recent treatises on algae specifically exclude them.
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According to the endosymbiotic hypothesis of eukaryote evolution, modern day chloroplasts are the descendents of ancient cyanobacteria.
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Microbes similar to today's cyanobacteria were present at this time. We know this based on the presence of stromatolites - fossilized microbial mats consisting of layers of filamentous prokaryotes - and trapped sediment that date back to that time.
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All plants, algae, and cyanobacteria which photosynthesize contain chlorophyll "a". A second kind of chlorophyll is chlorophyll "b", which occurs only in "green algae" and in the plants.
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Bacteria superficially resemble Archeons in their general sizes and shapes, but are distinguished from them by different membrane structures, gene sequences, and metabolisms. One important type of bacteria is the cyanobacteria, ...
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Some prokaryotic cells are photosynthetic (example: cyanobacteria).
The cells have a cell wall and some contain a gelatinous sheath outside the cell wall.
Motile bacteria have flagella.
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These cells tend to be larger than prokaryotes, and have developed specialized packaging and transport mechanisms that may be necessary to support their larger size.
In contrast with Prokaryotes (bacteria and cyanobacteria).
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