Extracellular matrix - Study guides, Class notes & Summaries

Principles of Human Physiology, 6e (Stanfield) Chapter 1 Introduction to Physiology 1.1 Multiple Choice Questions 1) The smallest living units capable of carrying out their own basic life functions are called A) organs. B) organ systems. C) tissues. D) cells. E) organelles. Answer: D HAPS LO: HAPS-1 Bloom's Taxonomy: Knowledge Chapter Section: 1.1 2) Cells are classified into which of the following four broad categories? A) squamous, cubodial, columnar, and baseme...

NUR 612 Exam 1 (Module 1) UAB Questions With 100% Correct Answers Physiology - answerStudy of the normal functions of the human body Pathophysiology - answerThe study of the cellular and organ changes that occur with disease and the effects that these changes have on the total body function Focuses on the mechanism of the underlying disease and provides information to assist with planning preventive as well as therapeutic health care measures and practices such as following a healthy diet...

BIO 101 NVCC EXAM 3 ACTUAL EXAM QUESTIONS WITH ANSWER VERIFIED Eukaryotic chromatin is composed of - ANSWER DNA and proteins What is produced if a cell completes mitosis but does not undergo cytokinesis? - ANSWER one cell with two nuclei, each identical to the nucleus of the parent cell Humans produce skin cells by mitosis and gametes by meiosis. The nuclei of skin cells produced by mitosis will have - ANSWER twice as much DNA as the nuclei of gametes produced by meiosis Compar...

Define Extracellular matrix - correct answer The structural network of macromolecules that surrounds supports and influences the behavior and fate of cells Glycoproteins - correct answer Proteins that are modified with covalently bound sugar molecules (lamins) Glycoaminoglycans(GAGs) - correct answer long chains of charged heteropolysaccharides usually bound to proteins in ECM but not always e.g. hylauric acid mucous like Proteoglycans - correct answer ECM molecules composed of protein...

Test Bank for Applied Pathophysiology A Conceptual Approach 4th Edition By Judi Nath; Carie Braun Chapter 1-20 Complete Guide 9199, 6 1 Introduction to Pathophysiology 2 Altered Cells and Tissues 3 Inflammation and Tissue Repair 4 Altered Immunity 5 Infection 6 Genetic and Developmental Disorders 7 Altered Cellular Proliferation and Differentiation 8 Altered Fluid and Electrolyte Balance 9 Altered Acid–Base Balance 10 Altered Neural Function 11 Altered Mood, Attention, and Behavior 12 Altered ...

Glycosaminoglycans (GAGs) - -Unbranched - (-) Charged polysaccharide chains Proteoglycans - 95% sugar -Large Molecules that provide: Cushion and physical barriers -Synthesized in ER or plasma membrane -Release from cell or bound to membrane Fibrous Proteins (Collagens) - Maintain tissue integrity Form bone, teeth Organized to resist shear stress: Tendons, Ligaments, Skin, Cartilage Elastin - Provide elasticity: Digestive tract, Vasculature, Bladder, Uterus Glycoproteins - Short Unbr...

what is the ECM? - Answer-the non-cellular component present within all tissues and organs what is the ECM composed of? - Answer--composed of collagen I and elastin -fundamentally composed of water, proteins and polysaccharides -a complex network of proteins and polysaccharides what is the ECM secreted by? - Answer-secreted locally by cells and remain closely associated with them what does the ECM provide? - Answer--provides structural, adhesive and biochemical signalling support -not only...

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Intact growth factors are conserved in the extracellular matrix of ancient human bone and teeth: a storehouse for the study of human evolution in health and disease Tyede H. Schmidt-Schultz1 and Michael Schultz2, * 1Department of Biochemistry, University of Go¨ ttingen, D-37075 Go¨ ttingen, Germany 2Department of Anatomy, University of Go¨ ttingen, D-37075 Go¨ ttingen, Germany * Corresponding author e-mail: Abstract For the first time we have extracted, solubilized and identif...

What is the ying of the ECM? - Collagens What is the yang of the ECM - Glycosaminoglycans -GAGs What is another main component of the ECM - proteoglycans Describe the structure of collagen - Contains 3 alpha chain polypeptides which intertwine to form a triple helix How does collagen have high tensile strength? - It's long, inflexible and is covalently cross-linked what is the function of collagen - provides structural support to the extracellular space of connective tissues what is the...