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Chapter 10 P h o t o s y n t h e s i s. Chapter 10 P h o t o s y n t h e s i s. How do the reactant molecules of photosynthesis reach the chloroplasts in leaves?. Chapter 10 P h o t o s y n t h e s i s. CO 2 H 2 O. Chapter 10 P h o t o s y n t h e s i s. CO 2 H 2 O. - PowerPoint PPT Presentation
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Chapter 10
Photosynthesis
How do the reactant molecules of photosynthesis reach the chloroplasts in leaves?
Chapter 10
Photosynthesis
CO2
H2O
Chapter 10
Photosynthesis
CO2
H2O
Chapter 10
Photosynthesis
How did the use of an oxygen isotope help elucidate the chemistry of photosynthesis?
Chapter 10
Photosynthesis
How did the use of an oxygen isotope help elucidate the chemistry of photosynthesis?
6CO2 + 12H2O →
C6H12O6 + 6O2 + 6H2O
Chapter 10
Photosynthesis
Describe how the two stages of photosynthesis are dependent on each other.
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
ATPNADPH
LIGHT DARK
Chapter 10
Photosynthesis
ATPNADPH
LIGHT DARKNADP+
ADP
What color of light is least effective in driving photosynthesis? Explain.
Chapter 10
Photosynthesis
What color of light is least effective in driving photosynthesis? Explain.
Chapter 10
Photosynthesis
Compared to a solution of isolated chlorophyll, why do intact chloroplasts release less heat and fluorescence when illuminated?
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
glucose
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
Chapter 10
Photosynthesis
In the light reactions, what is the electron donor? Where do the electrons end up?
Chapter 10
Photosynthesis
In the light reactions, what is the electron donor? Where do the electrons end up?
H2O NADPH
Chapter 10
Photosynthesis
To synthesize one glucose molecule, the Calvin cycle uses _____ molecules of CO2, _____ molecules of ATP, and _____ of NADPH.
Chapter 10
Photosynthesis
To synthesize one glucose molecule, the Calvin cycle uses _____ molecules of CO2, _____ molecules of ATP, and _____ of NADPH.
Chapter 10
Photosynthesis
61812
Explain why the high number of ATP and NADPH molecules used during the Calvin cycle is consistent with the high value of glucose as an energy source.
Chapter 10
Photosynthesis
Duh!
Chapter 10
Photosynthesis
Explain why a poison that inhibits an enzyme of the Calvin cycle will also inhibit the light reactions.
Chapter 10
Photosynthesis
ATPNADPH
LIGHT DARKNADP+
ADP
Chapter 10
Photosynthesis
Explain why photo respiration lowers photosynthetic output for plants.
Chapter 10
Photosynthesis
Oxygen replaces CO2.
No carbon is fixed.ATP is used.
Chapter 10
Photosynthesis
How would you expect the relative abundance of C3 versus C4 and CAM species to change in a geographic region whose climate becomes much hotter and drier?
Chapter 10
Photosynthesis
C3 C4 CAM
Chapter 10
Photosynthesis
C3 C4 CAM
Chapter 10
Photosynthesis
