Bio (3) Measuring the rate of photosynthesis

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Explain that the rate of photosynthesis can measured directly by the production of oxygen or the uptake of carbon dioxide or inderectly by an increase in biomass.

Rate of photosynthesis:

Depletion of substrate which includes measuring how much carbon dioxide has been used or how much water is used

Accumulation of a product - includes how much oxygen is produced or biomass is produced. 

Carbon Dioxide: 

If you place a plant in an enclosed space, then measure the available carbon dioxide before and after the experiment it will tell you how much CO2 has been used for photosynthesis. This means that CO2 will…


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