AP BIOLOGY

PLANTS

ROOTS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What controls the opening and closing of the stomata?

A	Companion Cells
B	Lignin Cells
C	Guard Cells
D	Mesophyll Cells

Explanation:

Detailed explanation-1: -The opening and closing of stomata is regulated by the integration of environmental signals and endogenous hormonal stimuli. The various different factors to which the guard cells respond translates into the complexity of the network of signaling pathways that control stomatal movements.

There is 1 question to complete.