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A soluble red dye is injected into the phloem of a young plant about half-way up the stem. At the same time a yellow dye is injected into the xylem at the same height along the stem. A day later the stem tip of the plant will contain _________ and the tip of the root _________

Answer» A soluble red dye is injected into the phloem of a young plant about half-way up the stem. At the same time a yellow dye is injected into the xylem at the same height along the stem. A day later the stem tip of the plant will contain _________ and the tip of the root _________


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