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Plant Anatomy and Transport chapters 35 and 36 --focus on sap flow--. Sap Flow in Plants. basic root structure water flow through the cortex cells the endodermis as a border crossing water flow in the xylem the fate of water in the leaf —photosynthesis —transpiration

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Plant anatomy and transport chapters 35 and 36 focus on sap flow l.jpg
Plant Anatomy and Transportchapters 35 and 36--focus on sap flow--


Slide2 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup




Slide5 l.jpg

epidermis

endodermis

cortex

vascular cylinder


Slide6 l.jpg

Sap Flow in Plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup




Slide11 l.jpg

Sap Flow in Plants routes for lateral transport

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup





Slide15 l.jpg

Sap Flow in Plants roots

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Slide16 l.jpg

A cross section of a dicot root roots

(the purple is starch, the red is lignin)

cortex

epidermis

vascular cylinder





Slide20 l.jpg

vessel elements roots

tracheids


Slide21 l.jpg

Tissue: Xylem roots

Cell Type: Tracheary Elements


Slide22 l.jpg

Sap Flow in Plants roots

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup




Figure 10 9 location and structure of chlorophyll molecules in plants l.jpg
Figure 10.9 Location and structure of chlorophyll molecules in plants

Light energy

CO2 + H20  C6H1206 + O2


Slide27 l.jpg

Sap Flow in Plants in plants

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup






Slide32 l.jpg

Sap Flow in Plants leaf

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup


Slide33 l.jpg

STEPS IN STOMATE OPENING leaf

Sun comes up.

Photosynthesis depletes CO2, stimulating proton pump enzymes.

Proton pump enzyme turns on. H+ moved out of guard cells by active transport (ATP is used).

K+ diffuses into cells via K+ channel enzymes.

Water diffuses in to balance its concentration relative to K+

Guard cells swell and change shape.





Slide37 l.jpg

STEPS IN STOMATE OPENING plant cells

Sun comes up.

Photosynthesis depletes CO2, stimulating proton pump enzymes.

Proton pump enzyme turns on. H+ moved out of guard cells by active transport.

K+ diffuses into cells via K+ channel enzymes.

Water diffuses in to balance its concentration relative to K+

Guard cells swell and change shape.


Slide38 l.jpg

Sap Flow in Plants plant cells

basic root structure

water flow through the cortex cells

the endodermis as a border crossing

water flow in the xylem

the fate of water in the leaf

—photosynthesis

—transpiration

—stomate function

6. sap flow and maple syrup



Slide40 l.jpg

The osmotic theory of sap flow invokes the involvement of living cells and sucrose to generate an osmotic pressure difference between fibers and vessels, which are proposed to be separated by an osmotic barrier.

The secondary cell wall is an effective osmotic barrier for large molecules


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