| 11. | Bacteria frequently infect plants by gaining entry to the tissue via the stomata.
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| 12. | Stomata occur either on both surfaces or undersurface only.
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| 13. | Both sepals and petals may have stomata and veins, even if vestigial.
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| 14. | Stomata were present, particularly on the upper axes.
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| 15. | Stomata are present on both sides of the leaf.
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| 16. | This suggests these nematodes are able to locate stomata based on chemical sensing.
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| 17. | The sporangia did not have emergences, although there were a few stomata.
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| 18. | The stomata remain closed throughout the day, and photosynthesis uses only this stored.
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| 19. | In the leaves, stomata open to take in carbon dioxide and expel oxygen.
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| 20. | Potassium regulates the opening and closing of the stomata by a potassium ion pump.
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