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CAIE A-Level Biology 13.1.5 Absorption and Action Spectra

Practise distinguishing pigment absorbance from photosynthetic action spectra, comparing wavelength peaks and explaining broader action through accessory-pigment energy transfer.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • compare pigment absorption peaks and troughs using quoted wavelength ranges
  • distinguish absorbance measurements from an action spectrum of photosynthetic rate
  • explain broader action through accessory pigments transferring energy to chlorophyll a

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