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23-08-2022
Biology

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Generally, each hormone has multiple functions in plants depending on _____. I. site of action II. its concentration III. developmental stage IV. Age A. I, II, III, and IV B. I, II, and III C. I and II D. II

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rafikiedu08 rafikiedu08

27-08-2022

The answer is options (B) I, II, and III.

Chemicals called plant hormones are utilized by plants for cell-to-cell communication, coordination, and development. Similar to animals, plants rely on these chemical cues to control DNA expression and cellular functions. Plant hormones are organic compounds that regulate a variety of aspects of a plant's growth. They regulate everything, including the distance between branch nodes and the senescence, or programmed death, that is present in many annual plants.

Plant hormones can be divided into five main categories, each of which regulates different aspects of plant growth. There are a number of additional recently discovered plant hormones. Keep in mind that these are just general categories and that different hormones may have been used in novel ways by different species.

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