Homework: Notes: Autotrophs and Heterotrophs (this is on my blog.) Read Chapter 8 Shirts $21.50.

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Homework: • Notes: Autotrophs and Heterotrophs (this is on my blog.) • Read Chapter 8 Shirts • $21.50

Transcript of Homework: Notes: Autotrophs and Heterotrophs (this is on my blog.) Read Chapter 8 Shirts $21.50.

Page 1: 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

Page 2: Homework: Notes: Autotrophs and Heterotrophs (this is on my blog.) Read Chapter 8 Shirts $21.50.

Chapter 8Intro to Photosynthesis and Leaf Anatomy

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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.

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Figure 8.3a

Why green?

Leaf cross section

Mesophyll

Stomata

Chloroplasts Vein

CO2 O2

20 m

Mesophyll cell

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Figure 8.3b

20 m

Mesophyll cellChloroplast

Stroma

Thylakoid

Thylakoidspace

Outermembrane

Intermembranespace

Inner membrane

Granum

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• 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

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Figure 8.UN01

becomes reduced

becomes oxidized

Photosynthesis is an endergonic process; the energy boost is provided by light.