Problem: Which of the following statements about PEP carboxylase (the enzyme responsible for “fixing” CO2 in C4 plants) is  false?a. PEP carboxylase has a greater affinity for CO2 than rubisco does.b. PEP carboxylase is not found in C3 plants. c. PEP carboxylase can function when the stomata are closed.d. None of the above. 

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Which of the following statements about PEP carboxylase (the enzyme responsible for “fixing” CO2 in C4 plants) is  false?

a. PEP carboxylase has a greater affinity for CO2 than rubisco does.

b. PEP carboxylase is not found in C3 plants. 

c. PEP carboxylase can function when the stomata are closed.

d. None of the above. 

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Our tutors have indicated that to solve this problem you will need to apply the C3, C4 & CAM Plants concept. You can view video lessons to learn C3, C4 & CAM Plants. Or if you need more C3, C4 & CAM Plants practice, you can also practice C3, C4 & CAM Plants practice problems.

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