AP Biology Chapter 10: Photosynthesis. Autotroph - Plants.
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Transcript of AP Biology Chapter 10: Photosynthesis. Autotroph - Plants.
![Page 1: AP Biology Chapter 10: Photosynthesis. Autotroph - Plants.](https://reader033.fdocuments.net/reader033/viewer/2022061305/551452dd5503466d1a8b6079/html5/thumbnails/1.jpg)
AP Biology
Chapter 10:Photosynthesis
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Autotroph - Plants
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Autotroph - Algae
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Autotroph - Phytoplankton
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Autotroph - Bacteria
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Heterotroph - Animal
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Heterotroph - Fungus
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Fig: 10.3
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Chloroplast
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Photosynthesis A
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Photosynthesis B
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Photosynthesis chemical reaction(Remember… conservation of matter.)
6 CO2 + 6 H2O C6H12O6 + 6 O2 + Heat
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Fig: 10.6
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LE 10-8a
Whitelight
Refractingprism
Chlorophyllsolution
Photoelectrictube
Galvanometer
The high transmittance (low absorption) reading indicates that chlorophyll absorbs very little green light.
Greenlight
Slit moves to pass light of selected wavelength
0 100
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LE 10-8b
Whitelight
Refractingprism
Chlorophyllsolution
Photoelectrictube
The low transmittance (high absorption) reading indicates that chlorophyll absorbs most blue light.
Bluelight
Slit moves to pass light of selected wavelength
0 100
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Absorption vs. Reflection
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Fig: 10.9a and b
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Fig: 10.10(How many electrons are in Mg’s outer shell?)
Hint: Look at the Periodic Table.
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Answer: 2Those 2 electrons will leave Mg and enter into the
Electron Transport Chain.
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Photosystem and collecting sunlight energy.
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Photosystems 1 and 2
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Fig: 10.17Where it is occurring.
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Non-cyclic electron flow
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Cyclic electron flow
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Pumping the H+ (protons) into a CONFINED space to BUILD UP POTENTIAL energy.
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See the H+
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Turning Potential energy into Kinetic energy to make ATP
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Fig: 10.18 step 1
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Fig: 10.18 Step 2
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Fig: 10.18 step 3
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LE 10-19
Photosyntheticcells of C4 plantleaf
Mesophyll cell
Bundle-sheathcell
Vein(vascular tissue)
C4 leaf anatomy
StomaBundle-sheathcell
Pyruvate (3 C)
CO2
Sugar
Vasculartissue
CALVINCYCLE
PEP (3 C)
ATP
ADP
Malate (4 C)
Oxaloacetate (4 C)
The C4 pathway
CO2PEP carboxylase
Mesophyllcell
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LE 10-20
Bundle-sheathcell
Mesophyllcell Organic acid
C4
CO2
CO2
CALVINCYCLE
Sugarcane Pineapple
Organic acidsrelease CO2 toCalvin cycle
CO2 incorporatedinto four-carbonorganic acids(carbon fixation)
Organic acid
CAM
CO2
CO2
CALVINCYCLE
Sugar
Spatial separation of steps Temporal separation of steps
Sugar
Day
Night