TREE PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following best explains why the rate of photosynthesis dramatically drops off at extreme temperatures (hot and cold)?
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there is not enough CO2 to fuel the reaction
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there is not enough light to power the reaction
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the shape of enzymes involved in the reaction denature
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the mitochondria cannot function at these temperatures
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all of the above could explain why the rate drops off
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Explanation:
Detailed explanation-1: -If the temperature decreases, the rate of photosynthesis will decrease as enzyme activity slows. If the temperature increases, the rate of photosynthesis increases. If the temperature is too high, enzymes will denature, causing photosynthesis to slow drastically.
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