LABORATORY REVIEW
CELL RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It wouldn’t be able to regulate the loss of glucose
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It wouldn’t be able to regulate the loss of water vapor
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It wouldn’t be able to store carbohydrates
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It wouldn’t be able to trap sunlight
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Detailed explanation-1: -Stomata regulate the opening and. closing of guard cells . If the cells didn’t function, photosynthesis and transpiration would cease, which would interfere with the necessary continuous flow of water upward from roots to leaves.
Detailed explanation-2: -Because plants must exchange gases through their stomata, closing them prevents plants from taking up carbon dioxide (CO2). Without CO2, plants cannot make carbohydrates, and plants can only obtain this critical molecule when stomata are open.
Detailed explanation-3: -If there is no transpiration, no water will move up the plant via transpiration pull. The leaves wont get water and the process of photosynthesis will not occur and the plant will eventually die.
Detailed explanation-4: -If the stomata were constantly open, plants would lose too much water via evaporation from the leaf surface, a process called transpiration.
Detailed explanation-5: -Stomata allow gases to enter and exit the plant. Guard cells regulate the opening and closing of stomata. If these cells did not function correctly, a plant could not get the carbon dioxide needed for photosynthesis, nor could it release the oxygen produced by photosynthesis.