A. mesophyll cells only
B. the root only
C. the stomata and lenticel only
D. all living cells
Correct Answer: Option C
C. the stomata and lenticel only
A. mesophyll cells only
B. the root only
C. the stomata and lenticel only
D. all living cells
Correct Answer: Option C
C. the stomata and lenticel only
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