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biology 0610printed 103 · PDF 103
328 pagesrevision 46933
printed 103 · PDF 103
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The lower end of a plant stem is placed in water coloured with red dye. After three hours, the
stem is cut as shown in the diagram.
Which labelled region is stained red?
What is transported in the phloem and what is the direction of transport?
A starch, up and down
B _ starch, up only
C sucrose, down and up
D
sucrose, down only
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