Multiple Choice
In the photosynthesis pathway employed by most grasses, the uptake of the 13C isotope of carbon is:
A) much less than in the pathways used by trees or succulents
B) about the same as in the pathway used by trees
C) about the same as in the pathway used by succulent plants
D) higher than in the pathways used by trees or succulents
Correct Answer:

Verified
Correct Answer:
Verified
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