Question

which of these processes is facilitated by guard cells​

Answer 1

Answer:

Guard cells control gas exchange and ion exchange through opening and closing. K+ is one ion that flows both into and out of the cell, causing a positive charge to develop.

Explanation:

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Answer 2

Answer:

Each pair of guard cells and the regulated pore they enclose, known as a stoma or stomate, provides a conduit for atmospheric photosynthetic gas exchange and transpirational release of water in terrestrial plants, in addition to defense against pathogenic invasion.

Explanation:

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