Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 28, Problem 15SQ
Summary Introduction
Introduction: Vascular system is a system in plants where conducting tubes such as xylem and phloem are present. Phloem vessels are involved in transporting the prepared food (glucose) from leaves to all parts of the plants. Specialized types of elongated and slender tube found in the phloem tube are called as sieve tube. Sieve tubes are characteristics of flowering plants. Sieve tubes transport carbohydrates to different parts of the plant.
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Is water primarily pushed or pulled up the plant?
A. Push
B. Pulled
Water transpires primarily from?
A. Only open stomata
B. Entire leaf surface
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Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b. different solutes at source and sink regions c. the pumping force of xylem vessels d. evaporation, tension, and cohesion
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Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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- A difference between monocot and dicot plant stems is thea. absence of buds in monocots.b. organization of vascular tissue.c. presence of guard cells.d. absence of stomata.arrow_forwardWhich of the following is/are false regarding the phloem? A. It transports starch from the leaves to the stem. B. It transports sucrose from the leaves to the roots. C. It is located lateral to the xylem in tree stems. D. Unlike the xylem, majority of the cells are living. E. A and D F. B and Carrow_forwardStems and roots, respectively, exhibit a. a positive phototropic response and no phototropic response. b. a negative phototropic response and no phototropic response. c. no phototropic response and a positive phototropic response. d. no phototropic response and a negative phototropic response.arrow_forward
- The ability of a sunflower plant to become taller is directly due to itsa. apical meristem. c. mesophyll cells.b. lateral meristems. d. petiole.arrow_forwardRoot hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface area for absorption c. anchor the plant in soilarrow_forwardWater transport from roots to leaves occurs by a. evaporation, tension, and cohesion b. a pressure gradient inside sieve tubes c. the pumping force of xylem vessels d. different solutes at source and sink regionsarrow_forward
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