Standard photosynthesis (C3) plants are more susceptible to photorespiration than either C4 or CAM plants. Why do most plants lack the C4 pathway?
a. because rubisco is more efficient in C3 plants when compared to rubisco C4 and CAM plants
b. because C4 and CAM pathways have an energetic cost that makes them advantageous in only very hot and/or arid environments
c. because photorespiration is not a serious problem for most plants
d. because mo
Ans: b. because C4 and CAM pathways have an energetic cost that makes them advantageous in only very hot and/or arid environments
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Indicate whether the statement is true or false