2.17 Photosynthesis

Light Energy---->Chemical energy using Chlorophyll
The Chemical energy = Covalent Bonds between...
_ C-C
_ C-H
_ C-O
_ O-H

Photosynthesis needs:
C, H, O

H2O ----> transpired up the stem and into the leaf
CO2 ----> Diffused into the leaf

Occurs mainly in the palisade layer