| 11. | Boron is not relocatable in the plant via the phloem.
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| 12. | The pericycle is located between the endodermis and phloem in plant roots.
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| 13. | He is best known for the phloem pressure flow hypothesis.
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| 14. | Between the xylem and phloem is a meristem called the vascular cambium.
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| 15. | These xylem strands have a cambium, and a secondary phloem forms.
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| 16. | Nonvascular land plants are embryophytes that lack the vascular tissues xylem and phloem.
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| 17. | It can also spread through phloem for longer distance movement within the plant.
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| 18. | They are usually associated with the xylem and phloem of the vascular bundles.
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| 19. | It functions as a photosynthetic product, phloem translocate, and storage carbohydrate.
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| 20. | Most of these cells transform into xylem and phloem.
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