Homework: Notes: Autotrophs and Heterotrophs (this is on my blog.) Read Chapter 8 Shirts $21.50.
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Transcript of Homework: Notes: Autotrophs and Heterotrophs (this is on my blog.) Read Chapter 8 Shirts $21.50.
Homework: • Notes: Autotrophs and Heterotrophs (this is
on my blog.)• Read Chapter 8
Shirts • $21.50
Chapter 8Intro to Photosynthesis and Leaf Anatomy
You Must Know
• The summary equation for photosynthesis including the source and fate of the reactants and products.
• How leaf and chloroplast anatomy relate to photosynthesis.
Figure 8.3a
Why green?
Leaf cross section
Mesophyll
Stomata
Chloroplasts Vein
CO2 O2
20 m
Mesophyll cell
Figure 8.3b
20 m
Mesophyll cellChloroplast
Stroma
Thylakoid
Thylakoidspace
Outermembrane
Intermembranespace
Inner membrane
Granum
• Photosynthesis is a complex series of reactions that can be summarized as the following equation
6 CO2 12 H2O Light energy C6H12O6 6 O2 6 H2O
© 2014 Pearson Education, Inc.
Products:
Reactants: 6 CO2
6 O2C6H12O6 6 H2O
12 H2O
Figure 8.UN01
becomes reduced
becomes oxidized
Photosynthesis is an endergonic process; the energy boost is provided by light.