Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 3, Problem 31RQ
Summary Introduction
To determine: The fate of physiological function if matrix metalloproteinases are inhibited by drugs.
Introduction: Metastasis is a process in which a cell undergoes growth and development. Cell junctions are formed between cells or between cell and matrix during its growth period. These junctions control the growth of cells.
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Chapter 3 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 3.2 - Name three types of lipids found in cell...Ch. 3.2 - Describe three types of membrane proteins and how...Ch. 3.2 - Why do phospholipids in cell membranes form a...Ch. 3.2 - How many phospholipid bilayers will a substance...Ch. 3.3 - Name the three sizes of cytoplasmic protein...Ch. 3.3 - How would the absence of a flagellum affect a...Ch. 3.3 - Prob. 7CCCh. 3.3 - Prob. 8CCCh. 3.3 - What is the function of motor proteins?Ch. 3.3 - What distinguishes organelles from inclusions?
Ch. 3.3 - Prob. 11CCCh. 3.3 - Prob. 12CCCh. 3.3 - Prob. 13CCCh. 3.3 - Prob. 14CCCh. 3.3 - Examining tissue from a previously unknown species...Ch. 3.4 - Prob. 16CCCh. 3.4 - Prob. 17CCCh. 3.4 - Prob. 18CCCh. 3.4 - Prob. 19CCCh. 3.4 - Name two properties that distinguish endocrine...Ch. 3.4 - The basal lamina of epithelium contains the...Ch. 3.4 - You look at a tissue under a microscope and see a...Ch. 3.4 - Prob. 23CCCh. 3.4 - What is the distinguishing characteristic of...Ch. 3.4 - Prob. 25CCCh. 3.4 - Name six types of connective tissues.Ch. 3.4 - Prob. 27CCCh. 3.4 - Why does torn cartilage heal more slowly than a...Ch. 3.5 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 30RQCh. 3 - Prob. 31RQ
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- What are the two major Contractile Proteins? Which of the proteins is "bound" and "anchored" to the cell membrane? The other protein essentially "floats" within the cytoplasm; which contractile protein "floats".arrow_forwardWhen nerve cells contact each other, they form adherens junctions (AJs) at the point of contact. The main transmembrane (TM) protein in the junctions is N-cadherin. N-cadherin is a single pass TM protein with a short intracellular domain and a large extracellular domain on the amino end. Proper formation of the AJs requires both actin (MF) and microtubules (MTs). Motor proteins for MTs are dynein (-) end and kinesin (+) end (and were discovered by Michael Sheetz). Maintenance of preformed AJs requires MFs . Adding drugs that disrupt MFs causes AJs to fall apart, and the N-cadherin is removed from the PM (by endocytosis). If the drugs are removed, MTs (& MFs) are required to restore the N-cadherin to the plasma membrane. choose answer for D1 and D2 D. Suppose cells contain a soluble kinase that modifies N-cadherin that has been removed from the PM. D-1. The kinase could catalyze modification(s) of the side chains of amino acids near (the N end) (the C end) (either end, but not…arrow_forwardWhat does the presence of glycolytic enzymes and myoglobin in the blood following anaerobic exercise suggest about cellular integrity?arrow_forward
- Analogs of hemidesmosomes are the focal contact sites, which are also sites where the cell attaches to the extracellular matrix. These junctions are prevalent in fibroblasts but largely absent in epithelial cells. on the other hand, hemidesmosomes are prevalent in epithelial cells but absent in fibroblasts. In focal contact sites, intracellular connections are made to actin filaments, whereas in hemidesmosomes connections are made to intermediate filaments. Why do you suppose these two different cell types attach differently to the extracellular matrix?arrow_forwardThe trans epithelial electrical resistance (TEER) is a characteristic property of an epithelium. Which of the following statements best describes the TEER? a.) A high trans epithelial electrical resistance (TEER) is an indicator of a leaky epithelium in which paracellular diffusion of solute is likely to be high b.) A high trans epithelial electrical resistance (TEER) is an indicator of a tight attachment between the epithelium and the basement membrane in which diffusion of solute across the basolateral surface is likely to be low c.) A high trans epithelial electrical resistance (TEER) is an indicator of a tight epithelium in which paracellular diffusion of solute is likely to be lowarrow_forwardWhich of the following adapter proteins or protein pairs connects the actin filaments with the extracellular matrix? Ezrin Dystrophin/Dystroglycan complex Band 4.1/Glycophorin C O Band 3/Ankyrin < Previousarrow_forward
- Define adsorptionarrow_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_forwardDuring a microscopy exercise in the anatomy laboratory,a student makes the following observations about a tissuesection: (1) The section contains some different types ofscattered protein fibers—that is, they exhibit differentwidths, some are branched, some are long and unbranched,and their staining characteristics differ (some are seenonly with specific stains). (2) Several cell types withdifferent morphologies are scattered throughout the section,but these cells are not grouped tightly together. (3) Theexamined section has some “open spaces”—that is, placesbetween cells and the observed fibers in the section thatappear clear with no recognizable features. What type oftissue is the student observing? Where might this tissue befound in the body?arrow_forward
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