20: Photosynthesis

Students trace light energy capture through Photosystem II and Photosystem I, explain water oxidation and oxygen release, describe electron transport and proton gradient formation driving ATP synthase, trace NADPH and ATP into the Calvin cycle where Rubisco fixes CO2 into hexose phosphates, and compare C4 and CAM adaptations for improved carbon fixation efficiency.

Optimal Wavelengths for Pigment Absorption

Blackboard Learn TXT Blackboard Ultra QTI v2.1 Canvas/ADAPT QTI v1.2 Human-Readable TXT

Click to show Optimal Wavelengths for Pigment Absorption example problem

A plant with unique photosynthetic pigments has leaves that appear greenish blue.
Which one of the following wavelengths of visible light would most effectively be absorbed by this pigment?

• A. orange (600 nm) and blue (460 nm)
• B. red (700 nm) and green (530 nm)
• C. green (530 nm) and violet (410 nm)
• D. orange (600 nm) and red (700 nm)

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