Specialised plant cells (AQA GCSE Biology Combined Science): Flashcards
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What are specialised plant cells?
What are specialised plant cells?
Cells with specific features to do one main job well
What is the main job of root hair cells?
What is the main job of root hair cells?
Absorb water and minerals from soil
Why do root hair cells have a long thin projection?
Why do root hair cells have a long thin projection?
Increases surface area for more absorption
Why do root hair cells have many mitochondria?
Why do root hair cells have many mitochondria?
Provide energy for active transport of mineral ions
What is the main job of xylem cells?
What is the main job of xylem cells?
Transport water and minerals from roots upwards
Why do xylem cells have lignin walls?
Why do xylem cells have lignin walls?
Makes tubes strong and provides plant support
What is differentiation in plants?
What is differentiation in plants?
Process where cells become specialised
What are meristem cells?
What are meristem cells?
Unspecialised cells that can become any type of cell
What is the main job of phloem cells?
What is the main job of phloem cells?
Carry dissolved sugars around the plant
What is the function of sieve plates in phloem?
What is the function of sieve plates in phloem?
Have holes that let sugars move between cells