NABTEB QUESTIONS

Explain what happens during light stage of photosynthesis. – NABTEB QUESTION

  • Molecules of chlorophyll trap radiant energy of sunlight/chlorophyll absorb sunlight rays.
  • Energy level of chlorophyll increases/chlorophyll becomes excited/chlorophyll energized.
  • ADP receives extra energy and becomes ATP/ATP is formed from ADP.
  • With the other extra energy, water molecules are split into hydrogen ions and
  • hydroxyl ions/photolysis of water occurs. Hydrogen ions are transferred.
  • NADP accepts hydrogen ions and becomes NADPH2/NADP reduced.
  • Hydroxyl ions pass through series of chemical reactions to yield oxygen and water.
  • Oxygen and water are released as by-products.
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