Flagellum
Contents
Key Stage 3
Meaning
A flagellum is a tail like part of some micro-organisms including a Euglena.
- Singular Noun: Flagellum
- Plural Noun: Flagella
Function
- A flagellum allows a cell to move towards food and away from danger.
About Flagella
- Cells can have more than one flagella.
- The flagellum is sensitive to certain chemicals and to temperature and will begin moving when certain chemicals and temperatures are detected.
Examples
The flagellum is labelled in this diagram of a Euglena. | Two flagella are labelled in this diagram of a bacterium. |
Key Stage 4
Meaning
A flagellum is a tail like organelle found on bacteria and some protists used to help it move.
Function
- A flagellum allows a cell to move towards food and away from harsh environmental conditions.
About Flagella
- Cells can have more than one flagella.
- Flagella are found on some bacteria such as E.coli and on some protists such as euglena.
- The flagellum is sensitive to certain chemicals and to temperature and will begin moving when certain chemicals and temperatures are detected.
Examples
The flagellum is labelled in this diagram of a Euglena. | Two flagella are labelled in this diagram of an E.coli bacterium. |
References
Edexcel
- Flagella, page 24, GCSE Biology, CGP, Edexcel
- Flagellum, page 10, GCSE Biology, Pearson, Edexcel
- Flagellum, page 10, GCSE Combined Science, Pearson Edexcel