Multiple Choice
Which of the following statements best describes a characteristic of C4 plants?
A) They are able to fix CO2 at lower CO2 concentrations and higher oxygen concentrations than C3 plants.
B) They have higher rates of photorespiration than C3 plants.
C) They use rubisco for carbon fixation, whereas C3 plants do not.
D) They produce oxaloacetate, a four-carbon compound, which is then delivered to the citric acid cycle in mitochondria.
Correct Answer:

Verified
Correct Answer:
Verified
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