WITH VERIFIED SOLUTIONS AND
PRACTICE NOTES
●● Light reactions
Answer: Capture solar energy to make ATP and NADPH
●● Calvin cycle (dark reactions)
Answer: Uses ATP and NADPH to fix CO2 into carbohydrates
●● Photosynthetic capacity
Answer: Maximum rate an organism can perform photosynthesis
●● Photooxidation
Answer: Light excites molecules causing electron loss
●● Photoexcitation
Answer: Light energy excites electron to higher energy state
●● Phototranslocation
Answer: Light-driven proton movement across thylakoid membrane
, ●● Autotroph
Answer: Organism that makes organic carbon from CO2
●● Heterotroph
Answer: Organism that consumes organic carbon for energy
●● Oxygenic photosynthesis
Answer: Uses water, produces oxygen
●● Anoxygenic photosynthesis
Answer: Uses H2S or Fe2+, no oxygen produced
●● Light reactions goal
Answer: Produce ATP, NADPH, and O2
●● Thylakoid membrane
Answer: Site of light reactions
●● Photon
Answer: Primary energy source for light reactions