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Unformatted text preview: tissues where they are produced.) The hormone molecule itself carries little information and produces a reaction only when it binds to appropriate receptor molecules at the response site. Plants, in comparison to animals, have both fewer hormones and fewer kinds of responses. Plant hormones, however, usually act in combination, thus producing more varied responses than if acting individually. The same hormone also can produce different effects when acting in different tissues or in different concentrations in the same tissue. The developmental stage of the plant additionally determines what effects the hormone activates. Growth and development depend upon a successful coordination of the activities of hormones, not just the presence or absence of individual ones....
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This note was uploaded on 11/14/2011 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.
- Fall '08