The guard cells that surround stomata are specialized

a. endodermal cells.
b. parenchyma cells.
c. mesophyll cells.
d. collenchyma cells.
e. cortex cells.


Answer: b

Biology & Microbiology

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The reason that approximately one-third of adults in the United States will suffer significant hearing

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Each of the following provides protection from phagocytic digestion EXCEPT

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In an uncharged atom, the number of protons and ___________ must be equal.

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