Inquiry into Life
16th Edition
ISBN: 9781260482638
Author: Mader, Sylvia
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 3.4, Problem 1LO
Compare and contrast the structural differences between actin filaments, intermediate filaments, and microtubules.
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Explain how the structure of intermediate filaments makes them better suited to provide mechanical strength than either microtubules or actin filaments.?
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Chapter 3 Solutions
Inquiry into Life
Ch. 3.1 - Explain why cells are the basic unit of life.Ch. 3.1 - List the basic principles of the cell theory.Ch. 3.1 - Prob. 3LOCh. 3.1 - Prob. 1QTCCh. 3.1 - Prob. 2QTCCh. 3.1 - Prob. 1CYPCh. 3.1 - Prob. 2CYPCh. 3.1 - 3. Describe the metabolic challenges of a large...Ch. 3.2 - Describe the fundamental components of a bacterial...Ch. 3.2 - Identify the key differences between the archaea...
Ch. 3.2 - Explain the function of the plasma membrane.Ch. 3.2 - Identify the key bacterial structures and their...Ch. 3.2 - Explain the general differences between a...Ch. 3.3 - Recognize the structure and function of the...Ch. 3.3 - Prob. 2LOCh. 3.3 - Prob. 3LOCh. 3.3 - Explain the function of the cell wall in...Ch. 3.3 - Describe how the endomembrane system acts as a...Ch. 3.3 - Prob. 3CYPCh. 3.4 - Compare and contrast the structural differences...Ch. 3.4 - Identify the cellular structures that are composed...Ch. 3.4 - Explain the purpose of cilia, flagella, and...Ch. 3.4 - Identify the structural makeup of actin filaments,...Ch. 3.4 - Prob. 2CYPCh. 3.4 - Prob. 3CYPCh. 3.5 - Define endosymbiosis.Ch. 3.5 - Describe how the endosymbiotic theory explains...Ch. 3.5 - Prob. 1CYPCh. 3.5 - Prob. 2CYPCh. 3 - Prob. S1.2BYBCh. 3 - Prob. S2.3BYBCh. 3 - Prob. S2.6BYBCh. 3 - The cell theory states: a. Cells form as...Ch. 3 - As the size of a cell decreases, the ratio of its...Ch. 3 - Prob. 3ACh. 3 - Prob. 4ACh. 3 - Small circular pieces of DNA that are found in the...Ch. 3 - Eukaryotic cells contain a. a nucleus b. DNA c....Ch. 3 - The combination of DNA and protein in the nucleus...Ch. 3 - Prob. 8ACh. 3 - Prob. 9ACh. 3 - Prob. 10ACh. 3 - Prob. 11ACh. 3 - Prob. 12ACh. 3 - Prob. 13ACh. 3 - Prob. 14ACh. 3 - Prob. 1TCCh. 3 - Why does the science of synthetic biology still...Ch. 3 - Prob. 3TC
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- Describe two similarities and two differences between actin filaments and microtubules.arrow_forwardIntermediate filaments are distinct from microtubules in all of the following EXCEPT: intermediate filaments are more dynamic. intermediate filaments do not have associated motor proteins. intermediate filaments do not need ATP to assemble. intermediate filaments are distinct from microtubules in all of these ways. O intermediate filaments are not directional. * Previousarrow_forwardIf you were to watch muscle tissue contract: Under a light microscope, would you see the muscle fibers get narrower, or the striations get thinner? Explain. At the EM level, focusing on one sarcomere, you would be able to see a region of thick filaments overlapping two regions of thin filaments. Use the structure of the thick filaments to explain how ONE region of thick filaments is able to pull in microfilament in two opposite directions (both toward the center of the sarcomere).arrow_forward
- Define the types and functions of intermediate filaments.arrow_forwardIn cells, actin filaments form bundles or networks. How do cells form such structures, and what specifically determines whether actin filaments will form a bundle or a network?arrow_forwardThere are no known motor proteins that move along intermediate filaments, in contrast to the variety of such proteins that associate with microtubules and actin filaments. What characteristic of intermediate filaments, in their polymerized form, might explain the absence of associated motor proteins? Briefly explain your reasoning.arrow_forward
- Which of the following describes an F-actin microfilament? A flexible, helical filament composed of two strands assembled from G-actin 13 protofilaments composed of heterodimers with a hollow core a flexible filament composed of 13 interwoven protofilaments Eight tetramers twisted into a rope-like filamentarrow_forwardExplain how the thin and thick filaments interact in the sliding filament model.arrow_forwardDescribe the structures of actin filaments and microtubulesarrow_forward
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