Home
Flashcards
Preview
Chapter 7:Plant Transport
Home
Get App
Take Quiz
Create
Lignin
a hard material embedded in the cellulose matrix of the cell wall-proovides support so plan can grow upward
Xylem
tranports water and minerals though vascular plants
Phloem
tranports food through vascular plants
tracheids
pointed ends, thick walls with pits that conect them to near by cells. water moves from cell to cell though these pits
vessel elements
wider,shorter,thinner walle and less tapered than tracheids.end walls are either missing or perforated
pressure flow hypothesis
dissovled sugars move from areas of high pressure (source) to areas of lower pressure (sink)
cohesion
water molecules are attracted to eachother and get pulled along
adhesion
water molecules are attracted to polar molecules and get pulled along
companion cells
le on either side of the sieve tubes
sieve tubes
tiny pores in the walls at the ends .allows contents of cells to mix
capillary action
water molecules being pulled along the capillaries by adhesion and cohesion
Author
juniorcutiesp
ID
23018
Card Set
Chapter 7:Plant Transport
Description
study
Updated
2010-06-10T20:36:02Z
Show Answers
Home
Flashcards
Preview