The diagram below shows two guard cells surrounding a closed stoma and two guard cells surrounding an open stoma. When light intensity is high potassium ionsare moved into the guard cells. Describe how the movement of potassium ions into the guard cells causes the stoma to open. – 7020

Q1.

The diagram below shows two guard cells surrounding a closed stoma and two guard cells surrounding an open stoma.

When light intensity is high potassium ions are moved into the guard cells. Describe how the movement of potassium ions into the guard cells causes the stoma to open. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________

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