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Abscisic acid is a chemical that promotes seed dormancy and is also involved in opening and closing of ____ as leaves wilt.

User Anti
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stomata i am 1000% sure

User BTR
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Stomata. Abscisic acud is releases in exrreme conditions when water conservation is more important that water loss amd so stomatal pore closes when ABA gets attached to receptors on membrane of guard cells
User Brugner
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