Concept explainers
To explain: The observation, “The cyanobacterium Oscillatoria sancta appears reddish-brown when grown under green light but alter its gene expression patterns and becomes blue-green when grown under red light”.
Concept introduction:
The light reaction takes place where the Chlorophyll a-rich reaction centers PSI and PSII have the ability to absorb red and blue light, respectively, with a maximum wave length.
The pigments that are present in the photosynthetic bacteria or chloroplasts to capture the light energy required for the photosynthesis process is known as photosynthetic pigments.
Photosynthesis takes place in the chloroplast of the plant cell that contains the green pigment chlorophyll. Some of the pigments include carotene, chlorophylls a and b, xanthophylls, and phaeophytins a and b.
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FUNDAMENTALS OF BIOCHEMISTRY WPNG 1-SEME
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