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Blue-green bacteria (cyanobacteria) look greenish-blue because of the pigments they contain for photosynthesis.
The main pigments are:
Chlorophyll-a –
🔹 Gives the green color
🔹 Same pigment found in plants
🔹 Absorbs light for photosynthesis
Phycocyanin –
🔹 A blue pigment
🔹 Unique to cyanobacteria and red algae
🔹 Helps absorb light in deeper or shaded water
Why do they appear blue-green?
The green from chlorophyll-a + the blue from phycocyanin = blue-green appearance.
💡 That’s why they’re called "blue-green algae" (even though they’re bacteria, not algae).
Bonus:
Some cyanobacteria also have phycoerythrin (a red pigment), which can shift their color more toward reddish or brownish, depending on the species and environment.
What else can I help you with?
Is chlorophyll in blue bacteria found in chloroplasts?
No, blue-green bacteria do not have chloroplasts. Instead, they contain specialized structures called thylakoids where the photosynthetic pigments, including chlorophyll, are located. These thylakoids are involved in the process of photosynthesis in blue-green bacteria.
How is blue green bacteria harmful?
Blue-green bacteria may grow too rapidly and cover an entire pond. When this happens, they can use up the oxygen in the pond and kill other living things. Many blue-green bacteria produce a bad odor. The odor is one clue that the water is unfit for drinking. Substances that pollute water are often used by blue-green bacteria for food. The amount of pollution in water is measured by counting the number of blue-green bacteria.
Is green algae a decomposer?
Green algae are not decomposers; they are photosynthetic organisms that produce their own food through photosynthesis. Decomposers are organisms like fungi and bacteria that break down dead organic matter into simpler forms.
What is another name for a single celled blue green photosynthetic bacteria?
The prefix 'Cyano' is used to refer to any number of cyanobacteria that grow all over the planet. Cyan is used because of its use in latin to describe the exact color stated in the question: blue green.
What are the kinds of photosynthetic bacteria?
The main types of photosynthetic bacteria are cyanobacteria, green sulfur bacteria, purple sulfur bacteria, and purple non-sulfur bacteria. These bacteria use sunlight to convert carbon dioxide and water into energy for growth and produce oxygen as a byproduct.
Blue and yellow makes what color?
Green
What are two ways Bacteria and Blue-green bacteria differ?
Blue green bacteria has color pigments and bacteria doesn't and bacteria is made with many products for humans to use and blue green is harmful they live inc ponds ,mrivers , lakes
What is blue bacteria?
CyanobacteriaBlue Bacteria ( Blue green algeae ) are types of bacteria that get their energy from photosynthesis.
What kingdom belong the bacteria and blue green algae?
fungi because it's bacteria and it's blue and green algae.
What makes. green?
Yellow and blue makes green.
What does the colour green and blue make?
Blue and green makes blue-green, obviously.
What color does gold and blue make an what color does blue and gold make?
Gold mixed with blue makes green and blue mixed with gold also makes green.
Is peseudomonas a bacteria or virus?
Pseudomonas is a blue-green pus bacteria.
What kingdom is blue-green bacteria in?
Archaebacteria
Which team colors are True blue and gold?
Blue and Gold make green
How are blue green bacteria helpful?
they help kill bad bacteria in your body
Is the chlorophyll in blue- green bacteria found in chloroplast?
They are type of bacteria. They do not have choroplasts
