EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
3rd Edition
ISBN: 9780137453092
Author: Urry
Publisher: SAVVAS L
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Textbook Question
Chapter 5.1, Problem 2CC
WHAT IF? How would the membrane lipid composition of a native grass found in very warm soil around hot springs compare with that of a native grass found in cooler soil? Explain.
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In the experimental conditions described below, how many molecules of dextrose do
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the intracellular fluid?
Intracellular fluid:
• Number of water molecules = 60
• Number of Dextrose molecules = 6
• Number of Sucrose molecules = 3
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Number of water molecules = 120
• Number of dextrose molecule = ????
• Number of Sucrose molecules = 0
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Chapter 5 Solutions
EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
Ch. 5.1 - Plasma membrane proteins have carbohydrates...Ch. 5.1 - WHAT IF? How would the membrane lipid composition...Ch. 5.2 - What property allows O2 and CO2, to cross a lipid...Ch. 5.2 - Why is a transport protein needed to move many...Ch. 5.2 - MAKE CONNECTIONS Aquaporins exclude passage of...Ch. 5.3 - How do you think a cell performing cellular...Ch. 5.3 - WHAT IF? If a Paramecium caudatum cell swims from...Ch. 5.4 - Sodium-potassium pumps help nerve cells establish...Ch. 5.4 - Prob. 2CCCh. 5.4 - MAKE CONNECTIONS Review the characteristics of the...
Ch. 5.5 - As a cell grows, its plasma membrane expands. Does...Ch. 5.5 - Prob. 2CCCh. 5.5 - MAKE CONNECTIONS In Concept 4.7, you learned that...Ch. 5.6 - During an epinephrine-initiated signal in liver...Ch. 5.6 - When a signal transduction pathway involves a...Ch. 5.6 - WHAT IF? How can a target cells response to a...Ch. 5 - In what way do the membranes of a eukaryotic cell...Ch. 5 - Which of the following factors would tend to...Ch. 5 - Phosphorylation cascades involving a series of...Ch. 5 - Lipid-soluble signaling molecules, such as...Ch. 5 - Which of the following processes includes all the...Ch. 5 - Based on Figure 5.17.which of these experimental...Ch. 5 - Prob. 7TYUCh. 5 - SCIENCE, TECHNOLOGY, AND SOCIETY Extensive...Ch. 5 - FOCUS ON EVOLUTION Paramecium and other...Ch. 5 - FOCUS ON INTERACTIONS A human pancreatic cell...Ch. 5 - SYNTHESIZE YOUR KNOWLEDGE In the supermarket,...
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- In each problem below draw an arrow showing which way water will move/flow. Is the solution hypertonic, hypotonic or isotonic? A A A B B в Concentration of sugar А 60% В 20% Concentration of sugar Concentration of sugar A 45% В 45% A 45% В 70% Solution is Solution is Solution is A A A B B B Concentration of sugar A 12% Concentration of sugar A 12% В 15% Concentration of sugar A 16% В 60% B 10% Solution is Solution is Solution is A A A B Concentration of sugar Concentration of sugar Concentration of sugar A 19% A 44% В 41% A 55% B 41% B 25% Solution is Solution is Solution isarrow_forwardExplain the impact of unsaturated fatty acid tails, cholesterol, and temperature on membrane fluidity. Model 1 – Phospholipids 5. Refer to Model 1. a.What happens to the shape of the hydrophobic tail in a phospholipid when a double bond is present in the carbon chain? b.Explain why the flexibility (fluidity) of a membrane increases when more of the phospholipids in the layers contain double bonds. c. Why might Arctic fish have a higher concentration of unsaturated fatty acids in their phospholipids?arrow_forwardSelect all that apply. This is an image of a plasma membrane, which consists of two layers of phospholipids. The red bubbles are the hydrophilic heads of phospholipids, facing the cell interior and exterior. The yellow strings facing inside of the plasma membrane are the fatty acid tails. Which of the following bonds/interactions do you think could regulate the assembly of the plasma membrane and the adhesion or fatty acid tails to each other? Select all that apply. hydrogen bonds covalent bonds electrostatic forces van der Waals forces hydrophobic force ionic bonds O O 0 0 O 0arrow_forward
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