L24_Transport 09 JPEG - Why symplastic loading? Diffusion...

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1 Phloem transport rate: About 1 meter/hr
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2 Concept: secondary active transport (plants use protons rather than sodium) Question: Suppose the sucrose in the IC, but only the IC, is made radioactive. Would the radioactive sucrose diffuse into the BS and M?
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Unformatted text preview: Why symplastic loading? Diffusion Polymer trapping Apoplastic loading sucrose secondary compound CC SE M/BS Diffusion into the phloem eg. willow and apple Hypothesis: Symplastic loading evolves for the transport of other, beneficial molecules...
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This note was uploaded on 02/24/2010 for the course BIO G 1101 taught by Professor Gilbert during the Fall '07 term at Cornell University (Engineering School).

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L24_Transport 09 JPEG - Why symplastic loading? Diffusion...

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