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OCR A Biology

Hormones Diff Effects Plant Concs Investigating Growth Problems

This flashcard explains how to investigate the effects of plant hormones on plant growth, such as hydroponic growth or applying hormones to cut stems. It also highlights challenges like hormones working at low concentrations (making small changes hard to measure) and synergism/antagonism making it difficult to isolate the role of each hormone.

Iată cum poți investiga efectele hormonilor plantelor asupra creșterii plantelor și ce provocări pot apărea: poți crește răsaduri hidroponic sau aplica hormoni pe tulpini tăiate, dar este dificil să observi efectele datorită concentrațiilor scăzute ale hormonilor și interacțiunilor dintre ei (sinergism/antagonism).

Front Investigating effects of plant hormones on plant growth, and problems with this
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  • can grow seedlings hydroponically (in nutrient sol) in serial dilutions of diff hormones, or apply diff concs of hormones on cut ends of stems
  • difficult to tell effects as hormones work at low concs (diff to measure small changes) and the synergism/antaganism make it diff to distinguish roles of each hormone

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