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Photosynthesis (Factors affecting rate of photosynthesis (CO2, Sunlight,…
Photosynthesis
Factors affecting rate of photosynthesis
CO2
Sunlight
Temperature
Water
Chlorophyll
Importance of photosynthesis
Provides food
Stores energy from the Sun as chemical energy
Maintains the balance of O2 and CO2 in the atmosphere
occurs in two stages
Light-dependent stage
Light energy -------------> Chemical energy
Water ----------> Hydrogen atoms and oxygen
Light-independent stage
CO2 and H atoms -------------> Glucose
Glucose produced
what happens to glucose
Broken down during respiration to release energy for vital activities
Used in synthesis of cell wall
Converted to amino acids and proteins
Converted to fats
Excess stored temporarily as starch in leaves