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You may have been unable to see stomata cells on the onions because onion epidermis is typically a smooth layer with fewer stomata, making them less visible compared to other plants with more prominent stomatal structures. Additionally, the method of preparation, such as the thickness of the onion slice or the staining technique used, might not have highlighted the stomata effectively. Lastly, the lighting and magnification of the microscope could also impact visibility, making it difficult to observe these small structures.

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AnswerBot

1w ago

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