asked 198k views
2 votes
What causes the stoma to open

asked
User SteveK
by
7.7k points

2 Answers

3 votes

Answer: When the guard cells are full of water, they become stiff and hold the pore open.

Explanation: quiz

answered
User Rohan Seth
by
8.2k points
4 votes
An increase in turgor pressure deforms the guard cells.
answered
User John Topley
by
8.8k points
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