1. Chapter 10: Photosynthesis
AP Biology
Chapter 10:
Photosynthesis

2. Autotroph - Plants

3. Autotroph - Algae

4. Autotroph - Phytoplankton

5. Autotroph - Bacteria

6. Heterotroph - Animal

7. Heterotroph - Fungus

8. Fig: 10.3

9. Chloroplast

10. Photosynthesis A

11. Photosynthesis B

12. Photosynthesis chemical reaction (Remember… conservation of matter.)
6 CO2 + 6 H2O  C6H12O6 + 6 O2 + Heat

13. Fig: 10.6

14. Slit moves to pass light of selected wavelength Green light
LE 10-8a
White
light
Refracting
prism
Chlorophyll
solution
Photoelectric
tube
Galvanometer
100
The high transmittance (low absorption) reading indicates that chlorophyll absorbs very little green light.
Slit moves to pass light
of selected wavelength
Green
light

15. Slit moves to pass light of selected wavelength
LE 10-8b
White
light
Refracting
prism
Chlorophyll
solution
Photoelectric
tube
100
Slit moves to pass light
of selected wavelength
The low transmittance (high absorption) reading indicates that chlorophyll absorbs most blue light.
Blue
light

16. Absorption vs. Reflection

17. Fig: 10.9a and b

18. Fig: 10. 10 (How many electrons are in Mg’s outer shell
Fig: (How many electrons are in Mg’s outer shell?) Hint: Look at the Periodic Table.

19. Answer: 2 Those 2 electrons will leave Mg and enter into the Electron Transport Chain.

20. Photosystem and collecting sunlight energy.

21. Photosystems 1 and 2

22. Fig: 10.17 Where it is occurring.

23. Non-cyclic electron flow

24. Cyclic electron flow

25. Pumping the H+ (protons) into a CONFINED space to BUILD UP POTENTIAL energy.

26. See the H+

27. Turning Potential energy into Kinetic energy to make ATP

28. Fig: step 1

29. Fig: Step 2

30. Fig: step 3

31. LE 10-19 Mesophyll cell Mesophyll cell CO2 Photosynthetic
cells of C4 plant
leaf
PEP carboxylase
Bundle-
sheath
cell
The C4 pathway
Oxaloacetate (4 C)
PEP (3 C)
Vein
(vascular tissue)
ADP
Malate (4 C)
ATP
C4 leaf anatomy
Pyruvate (3 C)
Bundle- sheath
cell
Stoma
CO2
CALVIN
CYCLE
Sugar
Vascular
tissue

32. LE 10-20 Sugarcane Pineapple C4 CAM CO2 CO2 Mesophyll cell
CO2 incorporated
into four-carbon
organic acids
(carbon fixation)
Night
Organic acid
Organic acid
Bundle-
sheath
cell
CO2
CO2
Day
Organic acids
release CO2 to
Calvin cycle
CALVIN
CYCLE
CALVIN
CYCLE
Sugar
Sugar
Spatial separation of steps
Temporal separation of steps