Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 2.3, Problem 1MQ
- Draw the basic structure of a lipid bilayer and label the hydrophilic and hydrophobic regions. Why is the cytoplasmic membrane a good permeability barrier?
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Chapter 2 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 2.1 - How do cocci and rods differ in morphology?Ch. 2.1 - Using a microscope, could you differentiate a...Ch. 2.1 - What are the major morphologies of prokaryotic...Ch. 2.2 - What physical property of cells increases as cells...Ch. 2.2 - How can the small size and haploid genome of...Ch. 2.2 - What are the approximate limits to how small a...Ch. 2.2 - How large can a bacterium be? How small? Why is it...Ch. 2.3 - Draw the basic structure of a lipid bilayer and...Ch. 2.3 - Prob. 2MQCh. 2.3 - Prob. 3MQ
Ch. 2.3 - Describe in a single sentence the structure of a...Ch. 2.4 - Why do bacterial cells need cell walls? Do all...Ch. 2.4 - Prob. 2MQCh. 2.4 - What do the enzyme lysozyme and the antibiotic...Ch. 2.4 - Prob. 1CRCh. 2.5 - Prob. 1MQCh. 2.5 - Prob. 2MQCh. 2.5 - Prob. 3MQCh. 2.5 - List several functions of the outer membrane in...Ch. 2.6 - Prob. 1MQCh. 2.6 - Prob. 2MQCh. 2.6 - Prob. 1CRCh. 2.7 - Prob. 1MQCh. 2.7 - Prob. 2MQCh. 2.7 - Chapter Review How can type IV pili facilitate...Ch. 2.7 - Prob. 1CRCh. 2.8 - Prob. 1MQCh. 2.8 - Chapter Review Why would it be impossible for...Ch. 2.8 - Chapter Review How are magnetosomes and the...Ch. 2.8 - Prob. 1CRCh. 2.9 - Prob. 1MQCh. 2.9 - Prob. 2MQCh. 2.9 - Prob. 1CRCh. 2.10 - Prob. 1MQCh. 2.10 - Prob. 2MQCh. 2.10 - Prob. 3MQCh. 2.10 - In a few sentences, indicate how the bacterial...Ch. 2.11 - Prob. 1MQCh. 2.11 - Prob. 2MQCh. 2.11 - Prob. 1CRCh. 2.12 - Prob. 1MQCh. 2.12 - Prob. 2MQCh. 2.12 - Contrast the mechanism for motility in...Ch. 2.13 - Prob. 1MQCh. 2.13 - Prob. 2MQCh. 2.13 - Prob. 3MQCh. 2.13 - Chapter Review How does scotophobotaxis differ...Ch. 2.13 - In a few sentences, explain how a swimming...Ch. 2.14 - Prob. 1MQCh. 2.14 - Prob. 2MQCh. 2.14 - Prob. 3MQCh. 2.14 - List at least three features of eukaryotic cells...Ch. 2.15 - Prob. 1MQCh. 2.15 - Prob. 2MQCh. 2.15 - Prob. 3MQCh. 2.15 - How are the mitochondrion and the hydrogenosome...Ch. 2.16 - Prob. 1MQCh. 2.16 - Prob. 2MQCh. 2.16 - Prob. 3MQCh. 2.16 - Describe the major functions of the endoplasmic...Ch. 2 - Prob. 1AQCh. 2 - Assume you are given two cultures, one of a...Ch. 2 - Prob. 3AQ
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- Figure 3.23 Which categories of amino acid would you expect to find on the surface of a soluble protein, and which would you expect to find in the interior? What distribution of amino acids would you expect to find in a protein embedded in a lipid bilayer?arrow_forwardIn a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a. hydrophilic tails; hydrophobic heads b. hydrophilic heads; hydrophilic tails c. hydrophobic tails; hydrophilic heads d. hydrophobic heads; hydrophilic tailsarrow_forwardCell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forward
- It seems paradoxical that a lipid bilayer can be fluid yet asymmetrical. Explain.arrow_forwardIf you place phospholipids in an oil-based solution, would they still self-assemble into a bilayer? If so, describe its structure.arrow_forwardIdentify the four types of proteins in a lipid bilayerarrow_forward
- Draw a sketch of a lipid bilayer, the structure that forms when a lipid such as phosphatidyl serine is dissolved in water.arrow_forwardWhat properties define the phospholipids that make up the lipid bilayer? Select all that apply. A. Nonpolar, hydrophobic hydrocarbon tails B. Polar, hydrophilic phosphate heads C. Nonpolar, hydrophobic phosphate heads D. Polar, hydrophilic hydrocarbon tailsarrow_forwardCompare the hydrophobic forces that hold a membrane protein in the lipid bilayer with those that help proteins fold into a unique three-dimensional structure.arrow_forward
- Although both faces of a biomembrane are composed of the same general types of macromolecules, principally lipids and proteins, the two faces of the bilayer are not identical. What accounts for the asymmetry between the two faces?arrow_forwardBiological membranes are critical components of cells that allow compartmentalisation of cellular contents. The diagram shows a biological membrane comprised of a lipid bilayer with a single polypeptide integrated into the membrane and spanning the membrane seven times. What is the name of the specific type of lipid comprising the bilayer shown above? What properties about the heads and tails of these lipid structures force them to be arranged as they are in the lipid bilayer?arrow_forwardWhat advantage do unsaturated phospholipids have over saturated phospholipids in the lipid bilayer?arrow_forward
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