Specialisation of cells Flashcards
1
Q
How are sperm cells specialised? (REPRODUCTION)
A
- long tail, streamline head (help to swim to egg)
- mitrochondria - provide energy
- head- carry enzymes to digest through the egg cell membrane
2
Q
How are nerve cells specialised? (RAPID SIGNALLING)
A
- long- to cover more distance
- branched connections attends - to connect to other nerve cells to form a network
3
Q
How are muscle cells specialised? (CONTRACTION)
A
- long - so space to contract
- lots of mitochondria (generate energy for contraction)
4
Q
How are root hair cells specialised? (ABSORBING WATER AND MINERALS)
A
-long hairs- give plant big surface area for absorbing water and mineral ions from soli
5
Q
How are phloem and Xylem cells specialised? (TRANSPORTING SUBSTANCES)
A
- long and joined end to end
- Xylem cells are hallow in the centre -so things can flow through them