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6. Photosynthesis vs. Respiration

Photosynthesis vs. Respiration

Summary of key differences between photosynthesis and respiration:

Photosynthesis

  • Energy stored in sugar molecules
  • Carbon dioxide and water used
  • Increases weight
  • Requires light
  • Occurs in chlorophyll
  • In green organisms, produces oxygen
  • With light energy, produces ATP

Respiration

  • Energy released from sugar molecules
  • Carbon dioxide and water released
  • Decreases weight
  • Can occur in light or darkness
  • Occurs in all living cells
  • Uses oxygen (aerobic respiration)
  • With energy released from sugar, produces ATP.