The closing and opening of stomatal guard cells involves

[From: ] [author: ] [Date: 11-05-06] [Hit: ]

C.D. none of these-B.Guard cells are the gate keepers of the stomata. There are various environmental factors that affect their aperture. ABA is a hormone that is release in drought conditions that cause the answer for part B.......

A. diffusion of sodium ions
B. osmosis of water that swells and shrinks the cells
C. bulk flow of sugar
D. none of these

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B. Guard cells are the gate keepers of the stomata. There are various environmental factors that affect their aperture. ABA is a hormone that is release in drought conditions that cause the answer for part B.

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