09 Photosynthesis & plant structures

All you ever wanted to know about photosynthesis but were afraid to ask!

Leaf Structure ,[object Object],[object Object],Palisade Spongy

Chloroplast Structure ,[object Object],[object Object],[object Object]

Overview of photosynthesis and respiration PHOTOSYNTHESIS CELL ACTIVITIES RESPIRATION SUN RADIANT ENERGY GLUCOSE ATP(ENERGY)

EQUATION FOR PHOTOSYNTHESIS 6CO 2 + 6H 2 O + ENERGY C 6 H 12 O 6 + 6O 2 CARBON DIOXIDE WATER GLUCOSE OXYGEN

EQUATION FOR RESPIRATION C 6 H 12 O 6 + GLUCOSE 6O 2 OXYGEN 6CO 2 + CARBON DIOXIDE 6H 2 O + ENERGY WATER ATP

Photosynthesis in Overview ,[object Object],[object Object],[object Object],[object Object],[object Object]

Photosynthesis: The Chemical Process ,[object Object],[object Object],[object Object],[object Object],[object Object]

Light Reactions ,[object Object],[object Object],[object Object],[object Object]

Dark Reactions ,[object Object],[object Object],[object Object]

The photosynthetic reaction ,[object Object],[object Object],H 2 O + ADP + CO 2 + H + + ATP --sunlight-> O 2 + H + + ATP + C 6 H 12 O 6 + ADP 6H 2 O + 6CO 2 --sunlight-> 6O 2 + C 6 H 12 O 6

General leaf adaptations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

General stem adaptations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

General adaptations of roots ,[object Object],[object Object],[object Object],[object Object]

Xylem ,[object Object],[object Object],[object Object],[object Object]

Transpiration moves water and minerals up the stem of the plant

Movement of water through the xylem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Movement of water through the xylem

Phloem ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Movement of sugars through the phloem

I would never do that! Gaseous echange in plants

For what purposes is gaseous exchange required? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mechanisms for gaseous exchange ,[object Object],[object Object],[object Object],[object Object]

Structure of a guard cell Cellulose fibrils Thick cell wall Thin cell wall When the guard cell swells with water, it bows in to the shape of a jelly bean.

Effect of Chloroplasts on Stomata function K + K + K + ATP H 2 O

Opening of stomata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mechanisms for gaseous exchange ,[object Object],[object Object],[object Object]

Lenticels Lenticel (dead) cork cambium (living) parenchyma cells

Altered photosynthetic cycle in desert plants ,[object Object],[object Object],[object Object]

09 Photosynthesis & plant structures

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09 Photosynthesis & plant structures