2.3B Root Structure Flashcards
1
Q
name all the structures of a root, outer to inner
A
- epidermis
- cortex
- endodermis
- pericycle
- phloem
- cambium
- xylem
2
Q
function of the epidermis
A
outer layer of cells which contain root hairs
3
Q
what is the function of root hair cells
A
increase surface area
4
Q
what is the cortex function
A
thick layer of “packing cells”. contain stored starch
5
Q
endodermis function (inner skin)
A
single layer of cells which contain a waterproof layer: casparian strip
6
Q
function of the casparian strip
A
prevents movement of water between the cells
7
Q
pericycle function
A
a layer of undifferentiated meristematic cells
8
Q
what is the correct word for “growing”
A
meristematic (cell division)
9
Q
A
