Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 39, Problem 3CQ
Summary Introduction
To predict: The energy utilized in the uptake of nutrients from soils of low mineral concentration and high mineral concentration.
Introduction: Active transport and passive transport are two means of transport of mineral from one cell to another. The active transport requires ATP as the solutes move against the concentration gradient while passive transport moves solute along the gradient.
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Imagine you have a plant with a water potential of -0.1 MPa in the root tissue. What would
happen if you place the roots of this plant in a 0.1 M solution of sucrose (water potential is -0.23
MPa)?
The net water flow would be from the tissue into the sucrose solution
The net water flow would occur only as ATP was hydrolyzed in the tissue
The net water flow would be from the sucrose solution into the tissue
The net water flow would be in both directions and the concentration of water would
remain equal
The net water flow would be impossible to determine from the values given here
Choose the statements that apply to transpiration in the cohesion-tension theory. (Check all
that apply)
Check All That Apply
The H-bonds in water allow for cohesion.
Water pressure builds in roots to drive water up the plant.
Exposed water in leaves evaporates into drier air.
Water forms a continuous stream from leaf into the root.
In addition to water, heat is lost cooling the plant during transpiration.
Describe the pathway water would take up the stem to the leaf of a plant. Describe the water's movement through any cells, tissues, and/or systems of the plant body.
Chapter 39 Solutions
Biology
Ch. 39.2 - Describe the direction of water movement when a...Ch. 39.3 - Prob. 1CSCh. 39.4 - Prob. 1CSCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.4 - Prob. 4CCCh. 39.4 - Prob. 5CCCh. 39.4 - Prob. 1EQCh. 39.4 - Prob. 2EQ
Ch. 39.4 - Prob. 6CCCh. 39.4 - Core Skill: Connections Look back to Figure 36.16,...Ch. 39 - Prob. 1TYCh. 39 - Prob. 2TYCh. 39 - Prob. 3TYCh. 39 - Prob. 4TYCh. 39 - Prob. 5TYCh. 39 - Which of the following statements best explains...Ch. 39 - What features of water explain how it can be drawn...Ch. 39 - Prob. 8TYCh. 39 - Prob. 9TYCh. 39 - Prob. 10TYCh. 39 - Prob. 1CQCh. 39 - Prob. 2CQCh. 39 - Prob. 3CQCh. 39 - Prob. 1COQCh. 39 - Prob. 2COQ
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- Plants obtain water and nutrients from the soil.a. What structure in a plant uses water in a metabolic reaction? What is this metabolic process called? b. Describe in detail two mechanisms by which water can move from the roots to this location c. If a plant was exposed to saltwater, how would it affect the above processes? Be specific, including a discussion of water potential d. How do plants absorb minerals from the soil? Does this process require energy?arrow_forwardDescribe the pathway water would follow from the soil to the stem of a plant. Describe the water's movement through the cells, tissues, and systems of the plant body.arrow_forwardII. Pathway of Water. Place the following phrases in correct order based on the pathway of water from the soil, into the plant and to the atmosphere. (2 points each) Evaporation of water from the stomata of the leaves Up the xylem in the stem Movement across root cells Movement of water molecules to the roots Movement of water across leaf cells through osmosis Stomata. Use the word bank to fill in the blanks. carbon dioxide Open close Oxygen epidermis Flaccid guard cells Turgid Water in Soil III. water pores transpiration glucose Atmospherearrow_forward
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- aves to roots 113 Which ONE of the following is not the force responsible for the upward movement of water in a plant? A Capillarity B Transpiration pull C Diffusion D Root pressure 114 Below is a list of factors: 0 Temperature OLight intensity (Sun (v) Humidity Which of the following combinations of factors affect the ale of transpiration? A Qand (vi) anly Band () only C () (and (iv) only DO0and (v) (4x2arrow_forwardQuestion 6 The diagram shows how water can adhere to the xylem in the stems of plants, which contributes to water movement in the plant. Which of the following best explains how water is able to move upward from the roots of a plant, through its xylem in the stem, and out to the leaves? -Water Molecuie -Xylem Cell Xylem Cell Wallarrow_forwardAmong the three pathways of water movements in plants, which is the most used? Explain the reasons behind. (i) Figure 1: Water droplets on leaf blades (IPM, University of Missouri) Explain the phenomenon shown in Figure 1 by providing the specific term, elucidating the reason, conditions and plant structure involved. (ii)arrow_forward
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