CAMPBELL BIOLOGY (18W)
12th Edition
ISBN: 9780136858256
Author: Urry
Publisher: PEARSON
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Chapter 36.2, Problem 4CC
Summary Introduction
To explain: What happens if plant protoplasts are kept in pure water?
Concept introduction: Protoplasts are isolated plant cells which lack the rigid cell wall that is completely or partially removed using either mechanical or enzymatic methods. The cell wall surrounds plasma membrane and protects the cell from bursting.
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You place a flaccid plant cell (Ψ = -0.7 MPa) into an environment (beaker) of pure (deionized) water (Ψ = 0 MPa). Compare the initial conditions of the flaccid cell and the environment (beaker of pure water) in terms of:
D) Water potential (high or low) of the cell
E) Solute concentration (high or low) of the cell
F) Tonicity (hypertonic, hypotonic, or isotonic) of the cell
You place a flaccid plant cell (Ψ = -0.7 MPa) into an environment (beaker) of pure (deionized) water (Ψ = 0 MPa). Compare the initial conditions of the flaccid cell and the environment (beaker of pure water) in terms of:
A) Water potential (high or low) of the environment
B) Solute concentration (high or low) of the environment
C) Tonicity (hypertonic, hypotonic, or isotonic) of the environment
D) Water potential (high or low) of the cell
E) Solute concentration (high or low) of the cell
F) Tonicity (hypertonic, hypotonic, or isotonic) of the cell
G) Predict the direction of water movement (into the cell, out of the cell, or no net movement)
H) Predict the change in turgor pressor of the cell (increase turgor pressure or decrease turgor pressure)
I) Predict the fate of the cell (plasmolyzed, turgid, or lysed)
You place a flaccid plant cell (Ψ = -0.7 MPa) into an environment (beaker) of sucrose solution (Ψ = -0.9 MPa). Compare the initial conditions of the flaccid cell and the environment (beaker of sucrose solution) in terms of:
A) Water potential (high or low) of the environment
B) Solute concentration (high or low) of the environment
C) Tonicity (hypertonic, hypotonic, or isotonic) of the environment
D) Water potential (high or low) of the cell E) Solute concentration (high or low) of the cell
F) Tonicity (hypertonic, hypotonic, or isotonic) of the cell G) Predict the direction of water movement (into the cell, out of the cell, or no net movement)
H) Predict the change in turgor pressor of the cell (increase turgor pressure or decrease turgor pressure)
I) Predict the fate of the cell (plasmolyzed, turgid, or lysed)
Chapter 36 Solutions
CAMPBELL BIOLOGY (18W)
Ch. 36.1 - Why is long-distance transport important for...Ch. 36.1 - Some plants can detect increased levels of light...Ch. 36.1 - WHAT IF? If you prune a plant's shoot tips, what...Ch. 36.2 - If a plant cell immersed in distilled water has a...Ch. 36.2 - Prob. 2CCCh. 36.2 - How would the long-distance transport of water be...Ch. 36.2 - Prob. 4CCCh. 36.3 - Prob. 1CCCh. 36.3 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 36.3 - MAKE CONNECTIONS How are the Casparian strip and...
Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - WHAT IF? If you buy cut flowers, why might the...Ch. 36.4 - Prob. 4CCCh. 36.5 - Prob. 1CCCh. 36.5 - Prob. 2CCCh. 36.5 - Prob. 3CCCh. 36.5 - WHAT IF? Apple growers in Japan sometimes make a...Ch. 36.6 - How do plasmodesmata differ from gap junctions?Ch. 36.6 - Prob. 2CCCh. 36.6 - WHAT IF? Suppose plants were genetically modified...Ch. 36 - How did the evolution of xylem and phloem...Ch. 36 - Is xylem sap usually pulled or pushed up the...Ch. 36 - Prob. 36.3CRCh. 36 - Prob. 36.4CRCh. 36 - Prob. 36.5CRCh. 36 - By what mechanisms is symplastic communication...Ch. 36 - Prob. 1TYUCh. 36 - Prob. 2TYUCh. 36 - Prob. 3TYUCh. 36 - Photosynthesis ceases when leaves wilt, mainly...Ch. 36 - Prob. 5TYUCh. 36 - A plant cell with a of -0.65 MPa maintains a...Ch. 36 - Compared with a cell with few aquaporin proteins...Ch. 36 - Prob. 8TYUCh. 36 - EVOLUTION CONNECTION Large brown algae called...Ch. 36 - SCIENTIFIC INQUIRY INTERPRET THE DATA A Minnesota...Ch. 36 - SCIENTIFIC INQUIRY Cotton plants wilt within a few...Ch. 36 - WRITE ABOUT A THEME: ORGANIZATION Natural...Ch. 36 - Prob. 13TYU
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