quiz 12 Flashcards
Give an adaptation of a palisade leaf cell
Lots of chloroplasts
Name 3 specialised plant cells
root hair cell,xylem and phloem cells
What is the function of a xylem cell
to transport water around the plant
Name 3 specialised animal cells
nerve,sperm and muscle cells
Why do palisade cells have lots of chloroplasts
To do lots of photosynthesis
What is the function of a sperm cell
To swim to the egg and fertilise it
Why do sperm cells have tails?
To help them swim to the egg
When do plant cells typically differentiate?
Throughout the plants life
Define cell differentiation
The process of a cell becoming specialised to perform a specific function
Why dont root hair cells have chloroplasts?
There is no light underground, so the cells cant photosynthesise
What is the function of a nerve cell?
To carry electrical messages around the body
Why do sperm cells have lots of mitochondria?
To release energy for swimming
Why do nerve cells have dendrites?
To connect to other cells
Describe the structure of phloem cells
Live cells connected as a tube
Give 2 adaptations of nerve cells
Dendrites, lots of mitochondria
