PlantTransport2081

PlantTransport2081 - Ch. 35 Plant transport What do plants...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
    Ch. 35 Plant transport What do plants need? O 2 , CO 2 Respiratory gases Carbohydrates * food Water * Tonicity, photosynthesis Minerals * -?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    Minerals Magnesium:  chlorophyll Phosphorus: NA,  ATP et al Sulfur, Nitrogen:  protein
Background image of page 2
    What do you know about plant  transport? What analogies can you devise to  describe this?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
   
Background image of page 4
    Water (and mineral)  movement Function of   physical forces  +  solute  concentrations aka “Water Potential” Prediction of which way water will move Water moves  down  the potential  gradient, from more positive side to  more negative
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    Ψ =Psi… = Water potential A RELATIVE term describing the potential energy of water movement ~~Concentration gradient & atmospheric pressure measured in MegaPascals (pressure)
Background image of page 6
  Ψ s (solute) is always negative: Psi for pure water = 0, so any concentration is more negative, the more concentrated the solution, the more negative it is. WHY?
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 23

PlantTransport2081 - Ch. 35 Plant transport What do plants...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online