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In plants, phototropism is a response to blue wavelengths of light and is caused by a redistribution of auxin from the illuminated side to the darker side of the shoot, resulting in quicker growth on the darker side and bending of the shoot toward the source of light.
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dictionary.reference.com/browse/phototropism
dictionary.reference.com/browse/phototropism
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A diagram is given, in Fig. 1, depicting the experimental setup. .... When plants bend or turn away from the source of light, the phototropic response is ...
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linkinghub.elsevier.com/retrieve/pii/S0013468605006006
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In the diagram of Green et al. (9), the mechanisms of the phototropic bending .... ( / ) Banbury, G. H.: Phototropism of lower plants. ...
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pcp.oxfordjournals.org/cgi/reprint/16/3/439.pdf
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Aristotle (384–322 BCE) argued that plants are totally passive and ..... Julius von Wiesner's 1878 Diagram of the Action Spectra for Phototropism. ...
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www.ncbi.nlm.nih.gov/pmc/articles/PMC1456868/
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You can see lots of examples of phototropism in the plants around you—branches in trees grow toward openings that have the most light, ... Figure 1. This diagram depicts early experiments with phototropism. Darwin showed that the phototropic response was lost when the tip of the emerging plant was cut off or covered with...
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www.sciencebuddies.org/science-fair-projects/project_id...
www.sciencebuddies.org/science-fair-projects/project_ideas/PlantBio_p041.shtml
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Went concluded that the coleoptile tips contained a chemical substance which diffused into the agar blocks Plants respond to the direction and amount of light they receive. The seedling at the right was grown in normal, ... it was very good but it could have had a diagram of a flower with phototropism to make it better...
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science.jrank.org/pages/5197/Phototropism-History-photo...
science.jrank.org/pages/5197/Phototropism-History-phototropism-research.html
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A good way to measure the effect of a phototropism in plants is to measure the length and curvature of a stem before and after phototropic changes.
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homepage.smc.edu/hodson_kent/plant_growth/Hormones/Phyt...
homepage.smc.edu/hodson_kent/plant_growth/Hormones/Phytochrome/phototropism.htm
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In nature stem phototropism likely provides plants with an effective means for maximizing photosynthetic light capture and thus may have appreciable adaptive significance (Iino, 1990; Liscum and Stowe-Evans, 2000;
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www.biosci.missouri.edu/liscum/phototropism.html
www.biosci.missouri.edu/liscum/phototropism.html
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TAG plant starch photosynthesis green plants leaf sunlight test iodine the leaves diagram phototropism chlorophyll blue-black food storage geotropism pondweed gas plant responses carbon dioxide plant cells...
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www.toodoc.com/plants-word.html
www.toodoc.com/plants-word.html
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