Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 33.3, Problem 3R
Summary Introduction
To review:
The process of growth in roots and the cells that are derived from the root apical meristem.
Introduction:
The root apical meristem consists of a mass of undifferentiated cells, which have the ability to divide and differentiate into the roots. All the different types of tissues, which are required for the proper structure and function of the roots, are derived from the root apical meristem.
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Chapter 33 Solutions
Life: The Science of Biology
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- Why does the Casparian strip form more slowly in some areas? What are these areas called? What is the difference between a root hair and a lateral root? How does the structure of a root hair contribute to its function? What type of environmental conditions might select for a netted root system? Explain your answer.arrow_forwardHow are the thin and permeable roots needed for water and nutrient uptake able to penetrate and grow through the soil?arrow_forwardWhat is a specialized root with asymmetrical secondary thickenings and greater fiber tissues.arrow_forward
- Which of the following statements are true for root endodermis?I. Endodermal cells constitute the innermost layer of root cortex and surrond the vascular cylinder (xylem and phloem). II. Endodermal wall is covered with waxy layer of casparian strip which blocks apoplastic transfer of minerals.III. Due to presence of casparian strip, water and minerals can only eneter the vascular cylinder if they will be able to cross the plasma membrane of an endodermal cell.arrow_forwardHow similar is the rhizoids and root hairs in terms of anatomy and function and how different is rhizoids and roots?arrow_forwardIf the excised cotyledon were incubated for a longer period, would you expect more roots to form? Why?arrow_forward
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