Multiple Choice
Photorespiration occurs because:
A) there is more O2 than CO2 in the atmosphere.
B) rubisco is a slow catalyst.
C) rubisco is a selective catalyst.
D) there is more O2 than CO2 and rubisco is a slow catalyst.
E) there is more O2 than CO2 and rubisco is a selective catalyst.
Correct Answer:

Verified
Correct Answer:
Verified
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