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Cyanobacteria

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Val tan

on 8 April 2015

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Transcript of Cyanobacteria

Introduction
Cyanobacteria are aquatic and photosynthetic.
They are often called 'blue-green algae' and are quite small and unicellular.
They often grow in colonies large enough to see and have the distinction of being the oldest known fossils, more than 3.5 billion years old.
They are also one of the largest and most important groups of bacteria on Earth.
Cyanobacteria
Function of
Cyanobacteria
Organelles in Cyanobacteria
Thylakoid membrane
Ribosomes
Nucleoid (DNA Rings)
Cell Wall
Cell membrane
Thylakoid
RuBisCo
Carboxysome
Capsule
Chloroplasts
Organelles that
help

Cyanobacteria function
Chloroplast
Ribosomes
Thylakoid
Carboxysome
Phycobilisome
Cyanobacteria
Cyanobacteria are eukaryotic.
They are photosynthetic which means that they make their own food. They also help to take in Carbon dioxide and produce Oxygen.



Role of
Chloroplasts
They are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight.
How the chloroplasts help the cyanobacteria function
Chloroplasts help to absorb sunlight for photosynthesis to take place.
Therefore, the plant can make food and survive.
Bella Ong Xin Hui (2)


Valentina Tan Jie Ling (23)
Role of
Ribosomes
They are protein builders or the protein synthesizers of cell.
Ribosomes are special because they are found in both prokaryotes and eukaryotes.
How the Ribosomes help
the cyanobacteria function
The ribosomes help the cyanobacteria to make protein.
Role of Thylakoids
They are site of the light-dependent reactions of photosynthesis.
How does the Thylakoid
help cyanobacteria function
The Thylakoid assist the plant by absorbing sunlight for it to photosynthesize and make food.
Role of Phycobilisome
Phycobilisome are aggregates of light-harvesting proteins attached to the stroma side of the thylakoid membrames of the cyanobacteria.
How can Phycobilisome
help cyanobacteria function
It allows absorption and unidirectional transfer of light energy to the chlorophyll and utilise their energy for photosynthesis.
Interesting facts!
Cyanobacteria have been linked to human and animal illnesses all around the world.
They produce by Binary Fission
Their maximum length is 1mm
Full transcript