quiz 13 Flashcards
What is the function of a root hair cell?
To take in water and minerals
Why do root hair cells have lots of mitochondria?
To carry out respiration to release energy for active transport
Give 2 adaptations of sperm cells
Tail,lots of mitochondria
What is the function of a palisade cell?
To carry out photosynthesis
Where are palisade cells usually found?
on the upper layers of leaves
In mature animals, what is cell division mainly restricted to?
Repair and replacement
What is the name of the substance that strengthens the wall of xylem cells
Lignin
Why do muscle cells have lots of mitochondria?
To release energy for movement
Give 3 adptations of a root hair cell?
Large surface area, no chloroplasts and lots of mitochondria
What is the function of a muscle cell?
to contract and relax
Describe the structure of xylem cells?
Dead cells connected as a tube
What is the function of a phloem cell?
transport of simple sugars around the plant
When do animal cells typically differentiate?
In the early stages of animal development
Give 2 adptations of muscle cells
fibres,lots of mitochondria
