TEST BANK FOR ADVANCED NUTRITION AND HUMAN METABOLISM, 8TH EDITION, SAREEN S. GROPPER, JACK L. SMITH, TIMOTHY P. CARR

Name: Class: Date: Chapter 01: The Cell: A Microcosm of Life 1. Membrane lipid bilayers consist primarily of ____. a. phospholipids b. cholesterol c. proteins d. saturated fatty acids e. enzymes ANSWER: a 2. Which of the following is a common function of membrane proteins? a. receptors b. detoxifiers c. purifier d. neutron transporter e. storage proteins ANSWER: a 3. What is the role of cholesterol in plasma membrane structure? a. to produce bile b. to regulate fluidity and permeability c. to reduce stability d. to produce hormones e. to catalyze chemical reactions ANSWER: b 4. Which of the following is not a usual function of the cytoskeleton? a. locomotion b. generation of ATP c. structural support d. positioning of organelles e. transfer of DNA and RNA ANSWER: b 5. Which cellular component enables signal transmission to various parts of the cell due to interconnections within the cytosol? a. glycoproteins b. microfilaments c. glycolipids d. integral proteins e. nucleic acids ANSWER: b 6. How are the carbohydrate moieties of the plasma membrane glycoproteins and glycolipids oriented? a. outwardly, away from the cytoplasmic matrix