Leaf Structure Flashcards
1
Q
Epidermis lower and upper
A
Thin layer of cells that protect the leaf. It is transparent to allow light to pass through.
2
Q
Mesophyll cells - Palisade
A
Main site of photosynthesis x cells contain lots of chloroplasts.
3
Q
Mesophyll cells -spongy
A
Photosynthesis also occurs here and the moist air spaces between the cells allow gases to dissolve before diffusing into cells.
4
Q
Vein cells - xylem
A
Transports water and minerals.
5
Q
Vein - phloem
A
Transports glucose.
6
Q
Guard cells
A
Control the opening and closing stomatata
7
Q
Stomata
Singular - stoma
A
Pores that allow carbon dioxide to enter and oxygen/water to leave the leaf.