| 1. | Phloem is a specialised tissue for food transport in higher plants.
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| 2. | Phloem cells mainly transport sucrose along pressure gradients generated by osmosis.
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| 3. | They instead release sucrose into the phloem from their starch reserves.
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| 4. | The virus will infect the phloem tissues of their Gramineae hosts.
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| 5. | In every cactus species, the cortical bundles produce secondary phloems.
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| 6. | A Cuscuta haustorium growing into the phloem of the host plant.
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| 7. | Primarily, phloem carries dissolved food substances throughout the plant.
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| 8. | The parent cells of the vascular cambium produce both xylem and phloem.
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| 9. | Phloem transports food and materials in plants upwards and downwards as required.
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| 10. | Mg 2 + may return to the roots in the phloem sap.
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