Cell growth Flashcards
1
Q
Zone of cell division ?
A
Where cells divide by mitosis and new cells are created ,
2
Q
Zone of cell elongation ?
A
New cells grow in size
3
Q
Zone of differentiation ?
A
News cells become specialised into different cell types
4
Q
Role of Xylem vessel ?
A
Transport minerals and water from roots , up the plant
5
Q
Role of guard cells ?
A
control exchange of gases such as carbon dioxide and oxygen , they open and close
6
Q
Role of circulatory system in animals ?
A
Regulate temp , transport substances round body .
7
Q
Role of nervous system in animals ?
A
respond to external or internal stimuli, carry messages .