Transcript Ch. 36 Plant Transport

Ch. 36 Plant Transport
Vocabulary Review
Make ONE Sentence:
Increase water uptake
 Water potential
 Pressure
 Solutes

Make ONE Sentence:
Water Potential (Air)
 Water Potential (Cells)
 Rise
 Hydrogen Bonds

Make ONE Sentence
Active Transport
 Apoplast
 Symplast
 Sugar

Make ONE Sentence
Sugar
 “Source to Sink”
 Phloem
 Xylem

Make ONE Sentence
Positive Force (Push)
 Negative Force (Pull)
 Water in Xylem
 Sugar in Phloem

Make ONE Sentence
Cut tree surface
 Xylem sap
 Phloem sap
 Droplet of fluid oozing out

Solve the following:

A plant cell with a solute potential of -0.65
MPa maintains a constant volume when
bathed in a solution that has a solute
potential of -0.30 MPa and is in an open
container. What do we know about the
cell?
What do you think?

Analysis of preserved leaves shows that
the density of stomata per unit area of leaf
has decreased over the past 200 years.
Suggest a hypothesis that connects this
evolutionary trend to environmental
change