EBK BIOLOGY
5th Edition
ISBN: 8220100667978
Author: Maier
Publisher: PEARSON
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Chapter 25, Problem 4LTB
Summary Introduction
Introduction:
Water and minerals obtained from the soil together called xylem sap, pass through the xylem, and the cells that transmit water inside a plant. Through transpiration, the plant essentially extracts a sap column through the roots from the soil, up tubes that composed of xylem dead cells in stem, and then into the leaves.
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The root zone of maturation is immediately above the root apical meristem (RAM).
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- H2O is polar molecule. List 2 emergence properties of h2O that enables it to be stretched through xylemarrow_forwardI’m not sure how to answer this question could please help?arrow_forwardVernalization is a plant response to: Light Gravity Physical contact None of the above Plant epidermis secretes a waterproof substance called: Cuticle Wax Periderm covering Pectin Plant transpiration accounts for what % of atmospheric water vapor? 50% 90% 5% 75%arrow_forward
- Two mechanical tissues of the cortex in herbaceous stem. _____________________________________________________ Which of these mechanical tissues may be photosynthetic in function? _____________________________________________________ This is the basic type of stele in the stem of all angiosperms. ____________________________________________________arrow_forwardidentify its structuresarrow_forwardBecause secondary phloem is formed from the vascular cambium just as secondary xylem is, it too has an __________________________ system and a _____________________ system. Why do the size, shape, and number of phloem rays match those of xylem rays?arrow_forward
- Figure 30.34 Which of the following statements is false? Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the phloem. Transpiration draws water from the leaf. Water potential decreases from the roots to the top of the plant. Water enters the plants through root hairs and exits through stoma.arrow_forwardDrag and drop the labels onto the diagram of water and mineral transport through the xylem in plants. Cholces may be used more than once or not at all. Transpiration Photosynthetic cells This will close when water is scarce. Absorption of water by root Cortex cells in root Phloem URALarrow_forwardTissue through which sugars and other organic molecules are translocated from the sources to different parts of the plant Xylem Phloem Vascular bundles Vascular tissuearrow_forward
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