5 Questions
What is the characteristic of eubacteria?
They have a rigid cell wall and a flagellum if motile
What type of autotrophs are cyanobacteria?
Photosynthetic
What is the role of chemosynthetic autotrophic bacteria in the environment?
They oxidise various inorganic substances and recycle nutrients
What type of cells do some cyanobacteria use to fix atmospheric nitrogen?
Heterocysts
Which type of bacteria are most abundant in nature?
Heterotrophic bacteria
Study Notes
Characteristics of Eubacteria
- Eubacteria are characterized by their peptidoglycan cell wall and lack of membrane-bound organelles.
Autotrophic Cyanobacteria
- Cyanobacteria are a type of autotroph that uses light energy to produce their own food through photosynthesis.
Role of Chemosynthetic Autotrophic Bacteria
- Chemosynthetic autotrophic bacteria play a crucial role in the environment by converting inorganic compounds into organic compounds, supporting life in ecosystems.
Nitrogen Fixation in Cyanobacteria
- Some cyanobacteria use specialized cells called heterocysts to fix atmospheric nitrogen, making it available for other organisms.
Abundance of Bacteria
- Eubacteria are the most abundant type of bacteria found in nature.
Test your knowledge on eubacteria and cyanobacteria in this quiz. Learn about their characteristics, cell structure, and ecological roles. Perfect for biology enthusiasts and students.
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