Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 20, Problem 2SQ
Summary Introduction
Introduction:
Viroids are tiny, circular, infectious particles that consist of short RNA strands without a protein coat. Like viruses, these particles can replicate using host replication machinery.
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A rubbery secreted matrix of proteoglycans and collagen surrounds living cells in______ . a. bone c. adipose tissue b. cartilage d. blood
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Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Prob. 1SQCh. 20 - Prob. 2SQCh. 20 - Prob. 3SQCh. 20 - Prob. 4SQCh. 20 - __________ do not reproduce sexually. a....Ch. 20 - Prob. 6SQCh. 20 - Adapting to Host Defenses Surface proteins called...Ch. 20 - Prob. 2DAACh. 20 - Prob. 3DAACh. 20 - Adapting to Host Defenses Surface proteins called...
Ch. 20 - Prob. 7SQCh. 20 - Bacteria that serve as decomposers are ___ . a....Ch. 20 - Prob. 9SQCh. 20 - Formation of a(n) ___ allows some soil bacteria to...Ch. 20 - Prob. 11SQCh. 20 - Prob. 12SQCh. 20 - Which of these diseases is caused by bacteria? a....Ch. 20 - Prob. 14SQCh. 20 - Prob. 15SQCh. 20 - If a cut or scrape becomes infected,...Ch. 20 - The adenoviruses that cause colds do not have a...Ch. 20 - Prob. 3CTCh. 20 - Prob. 4CT
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- ________ form specialized sites on the cell surface that allow cells to recognize each other. a. Cholesterols b. Carbohydrates c. Phospholipidsarrow_forwardMany connective tissues like cartilage, ligaments, tendons skin dermal layers secrete an extra cellular matrix with a very famous and common protein called A. hemotensin B. collagen C. porphyrin D. petidoglycan 3arrow_forwardProtein is synthesized by the _________ of the cell. a.phagocyte b.mitchondria c.ribosomes d.nucleusarrow_forward
- Mucin is a glycoprotein found in mucus that increases its viscosity. Carbohydrates are added to mucin in which of these structures? A. Cytoplasm B. Golgi Apparatus C. Nucleus D. Rough endoplasmic reticulumarrow_forwardCollagen represents which level of protein organization? a. Secondary b. All of the options are correct c. Tertiary d. Primary e. Quaternaryarrow_forwardWhat substance joins proteoglycans together into gigantic complexes called proteoglycan aggregates? These complexes can occupy very large volumes. a. hyaluronidase b. hyaluronic acid c. proteoglycase d. fibronectin e. lamininarrow_forward
- Which of the following polysaccharides is a component of the extracellular matrix and connective tissue? a. glycogen b. hyaluronic acid c. chitin d. cellulosearrow_forwardAt a conference,the speaker's grand finale was sauteing mealworms in butter and serving them to the audience.They were crunchy because their exoskeleton contains the polysaccharide_______ A. glycogen B.cellulose C.starch D.chitinarrow_forward_____________ membrane proteins transverse the entire lipid bilayer. a. Integral b. Peripheral c. Lipid anchored d. Glycerophospholipidarrow_forward
- The protein spectrin found in the cortex of red blood cells functions as ______________. Select one: a. a transporter b. a structural protein c. an enzyme d. a receptor e. a hormonearrow_forward________ is the process of a cell taking in needed molecules from the extracellular fluid. a. Phagocytosis b. Receptor-mediated endocytosis c. Pinocytosisarrow_forwardThe plays a major role in the synthesis of carbohydrates and lipids. a. Golgi apparatus b. rough endoplasmic reticulum Cc. smooth endoplasmic reticulumarrow_forward
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