Which of the following is false about xylem?
Added by Ismael L.
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Step 1: Xylem is a complex tissue in plants that conducts water and minerals. Show more…
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Which of the following statements about xylem is incorrect? A) It conducts material from root tips to leaves. B) The conducting cells are part of the apoplast. C) It transports mainly sugars and amino acids. D) It typically has a lower water potential than is found in soil. E) No energy input is required for transport.
Shaiju T.
Which of the following statements is false concerning the xylem? A) Xylem tracheids and vessels fulfill their vital function only after their death. B) The cell walls of the tracheids are greatly strengthened with cellulose fibrils forming thickened rings or spirals. C) Water molecules are transpired from the cells of the leaves, and replaced by water molecules in the xylem pulled up from the roots due to the cohesion of water molecules. D) Movement of materials is by mass flow; materials move owing to a turgor pressure gradient from "source" to "sink." E) In the morning, sap in the xylem begins to move first in the twigs of the upper portion of the tree, and later in the lower trunk.
Derrick D.
Which of the following statements is false? a. Ferns produce seeds inside sori. b. Bryophytes do not have xylem or phloem. c. Gymnosperms and angiosperms produce seeds. d. Only angiosperms produce flowers.
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