Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 4.4, Problem 1CC
Describe the structural and functional distinctions between rough and smooth ER.
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Chapter 4 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 4.1 - Prob. 1CCCh. 4.1 - Prob. 2CCCh. 4.2 - Briefly describe the structure and function of the...Ch. 4.2 - Prob. 2CCCh. 4.3 - What role do ribosomes play in carrying out...Ch. 4.3 - Describe the molecular composition of nucleoli,...Ch. 4.3 - WHAT IF? As a cell begins the process of dividing,...Ch. 4.4 - Describe the structural and functional...Ch. 4.4 - Describe how transport vesicles integrate the...Ch. 4.4 - WHAT IF? Imagine a protein that functions in the...
Ch. 4.5 - Describe two characteristics shared by...Ch. 4.5 - Prob. 2CCCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - WHAT IF? Males afflicted with Kartageners syndrome...Ch. 4.7 - In what way are the cells of plants and animals...Ch. 4.7 - Prob. 2CCCh. 4.7 - MAKE CONNECTIONS The polypeptide chain that makes...Ch. 4 - Which structure is not part of the endomembrane...Ch. 4 - Which structure is common to plant and animal...Ch. 4 - Which of the following is present in a prokaryotic...Ch. 4 - Prob. 4TYUCh. 4 - Cyanide binds to at least one molecule involved in...Ch. 4 - What is the most likely pathway taken by a newly...Ch. 4 - Which cell would be best for studying lysosomes?...Ch. 4 - DRAW IT From memory, draw two eukaryotic cells....Ch. 4 - SCIENTIFIC INQUIRY In studying micrographs of an...Ch. 4 - FOCUS ON EVOLUTION Compare different aspects of...Ch. 4 - FOCUS ON ORGANIZATION Considering some of the...Ch. 4 - Prob. 12TYU
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- Tumors associated with breast cancer usually arise from either epithelial cells or fibroblasts. Because optimal treatment differs depending on the cellular origin of the tumor, it’s important for doctors to determine which cell type is present in a tumor. Unfortunately, the distinctive morphology of epithelial cells is lost when they become cancerous, so this determination cannot be made based on cell shape alone. How might determination of the class(es) of intermediate filaments present in tumor cells aid a doctor in figuring out which cell type is involved in the tumor?arrow_forwardDescribe the mechanisms by which microfilaments assemble.arrow_forwardChiasma are formed during?arrow_forward
- Name the two major components of matrix and, if applicable, subclasses of each component.arrow_forwardExplain how cofilin distinguish old filaments from new ones.arrow_forwardWhich of the following sentences regards ECM in cartilages is NOT correct? ECM does not contain * A. hyaluronan (is a linear, non-sulfated polysaccharide that provides compression strength, lubrication and hydration) B. chondroitin sulfate is a glycosaminoglycan that is bound to the core protein, forming proteoglycan C. link and core proteins, and multi-adhesive glycoprotein chondronectin D. The high content of bound water allows cartilage to serve as a shock absorber, an important functional role E. dense meshwork of thin type IV collagen fibrils None choices C, D, Earrow_forward
- Describe the roles of each of the following components of the ECM: a. Collagen fibers b. Glycosaminoglycans c. Reticular fibers d. Proteoglycans e. Glycoproteins (cell-adhesion molecules) f. Elastic fibersarrow_forwardA triple helix filament structure is highly characteristic of: a. Microtubules b. Actin microfilaments c. Collagen d. Keratinsarrow_forwardExplain how the structure of intermediate filaments makes them better suited to provide mechanical strength than either microtubules or actin filaments.?arrow_forward
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