Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 4, Problem 3RQ
Summary Introduction
To review:
The eukaryotic cytoskeleton proteins along with their sizes and functions.
Introduction:
The cytoskeleton is comprised of filaments of different types of proteins that perform different functions in the cell. They are microscopic structures that can only be seen under a microscope on staining.
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Students have asked these similar questions
Name and describe the structure and function of cytoskeletal elements.
Give the respective structural descriptions and functions of the following:
1. Cell Membrane
2. Nucleus
3. Nucleolus
4. Smooth Endoplasmic Reticulum
5. Rough Endoplasmic Reticulum
6. Nuclear Membrane
7. Mitochondria
8. Golgi Apparatus
9. Cytoskeleton
List the three types of fibers in the cytoskeleton.
Chapter 4 Solutions
Biology: Life on Earth
Ch. 4 - The plasma membrane is composed of two major types...Ch. 4 - Fill-in-the-Blank The_______ is composed of a...Ch. 4 - Prob. 3FTBCh. 4 - 4. Antibody proteins are synthesized on ribosomes...Ch. 4 - After each description, fill in the appropriate...Ch. 4 - Two organelles that are believed to have evolved...Ch. 4 - 7. What structure in bacterial cells is composed...Ch. 4 - 1. What are the three principles of the cell...Ch. 4 - 2. Which cytoplasmic structures are common to both...Ch. 4 - Prob. 3RQ
Ch. 4 - Describe the nucleus and the function of each of...Ch. 4 - What are the functions of mitochondria and...Ch. 4 - What is the function of ribosomes? Where in the...Ch. 4 - Describe the structure and function of the...Ch. 4 - 8. How are lysosomes formed? What is their...Ch. 4 - 9. Diagram the structure of eukaryotic cilia and...Ch. 4 - List the structures of bacterial cells that have...Ch. 4 - Prob. 1ACCh. 4 - Prob. 2ACCh. 4 - What problems would an enormous round cell...
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- In what ways do the functions of the cytoskeleton differ from those of the endomembrane system?arrow_forwardDescribe the general functions of the following in a eukaryotic cell: the plasma membrane, cytoplasm, DNA, ribosomes, organelles, and cytoskeleton.arrow_forwardList the three types of filaments associated with the cytoskeleton. Identify the structures in cells that are composed of microtubules.arrow_forward
- Describe the structure and function of the three components of the cytoskeletonarrow_forwardgive specific eukaryotic cell's cytoskeletal structure and their respective functionarrow_forwardContrast the structure and functions of the cytoskeleton with thestructure and functions of the membranous components of the cell.arrow_forward
- Three systems of cytoskeletal filaments exist in most eukaryotic cells. Compare them in terms of composition, function, and structure.arrow_forwardWith regard to cytoskeletal structure and function, a) Outline the structure and organisation of cytoskeletal proteins in a eukaryotic, epithelial cell.arrow_forwardList and describe the three main types of cytoskeleton. If you wanted to do immunocytochemistry to specifically stain each type of cytoskeleton, what is a protein that could be used for each cytoskeletal type (in other words, what is a unique protein for each cytoskeletal type)? What are three types of actin structures? Describe the involvement of actin structures in cell migration. How is the growth and shrinking of microtubules regulated? Then describe the roles of microtubules in: chromosomal separation during mitosis and the movement of organelles and vesicles within a cell. Describe a possible mechanism on how signaling pathways might impact the cytoskeleton, so that cell migration could be regulated in a localized manner within a multicellular organism. (hint: think about the possible transcriptional regulation of the G-protein regulators) What are 2 main challenges of protein targeting? Then describe one way these challenges are overcome during signal-based targeting and one way…arrow_forward
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