Plants such as the tobacco plant keep very little of the water they absorb, and the amount of water lost in transpiration is extremely large. This is because these plants can take in carbon dioxide only when the stomata are open. Plants use carbon dioxide to make glucose molecules. It is estimated that 400 molecules of water are lost for every molecule of carbon dioxide absorbed. How many water molecules are lost for a plant to make one molecule of glucose?
- A800
- B1200
- C2000
- D2400