B9 Translocation Flashcards
1
Q
What is translocation?
A
Movement of dissolved sugar from the leaves to the rest of the plant.
2
Q
Name the tissue used to transport food around a plant
A
Phloem
3
Q
How is phloem adapted for its function?
A
Elongated living cells
Sieve plates connect cells together so that food can move to the next cell.
Phloem cells contain very few sub-cellular structures to allow the efficient transport of substances.
4
Q
Why do roots need a supply of food?
A
Respiration - to supply energy
Storage
5
Q
Name the tissues found in a leaf
A
Epidermis
Palisade mesophyll
Spongy mesophyll
Xylem
Phloem
Guard cells
6
Q
What is the function of the palisade mesophyll cells?
A
Photosynthesis
7
Q
What is the function of the spongy mesophyll cells?
A
Photosynthesis and gas exchange.
