Test Bank For Advanced Nutrition and Human Metabolism 8e Sareen Gropper, Jack Smith, Timothy Carr

Test Bank For Advanced Nutrition and Human Metabolism 8e Sareen Gropper, Jack Smith, Timothy Carr-1. Membrane lipid bilayers consist primarily of . a. phospholipids b. cholesterol c. proteins d. saturated fatty acids e. enzymes 2. Which of the following is a common function of membrane proteins? a. receptors b. detoxifiers c. purifier d. neutron transporter e. storage proteins 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 4. Which of the following is not a usual function of the cytoskeleton? a. locomotion b. generation of ATP c. structuralsupport d. positioning of organelles e. transfer of DNA and RNA 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 6. How are the carbohydrate moieties of the plasma membrane glycoproteins and glycolipids oriented? a. outwardly, away from the cytoplasmic matrix b. inwardly, toward the lumen c. equally inwardly and outwardly to maintain symmetry Name: Class: Date: Chapter 01: The Cell: A Microcosm of Life d. between the bilayers of the membranes e. interlinked with each on both sides of the membrane 7. Which of the following describes proteins attached to the membrane through hydrophobic interactions and embedded in the membrane? a. peripheral proteins b. rough endoplasmic reticula c. integral proteins d. Golgi apparatus e. apoproteins 8. Which structure in the cell provides support and controls the movement of cell organelles? a. endoplasmic reticulum b. mitochondrion c. cytoskeleton d. cytosolic matrix e. nucleus 9. Cytochalasin is a fungal toxin that prevents the polymerization of actin. Which cellular structure is the target? a. nucleus b. cytoskeleton c. lysosomes d. mitochondria e. plasma membrane 10. Which of the following is not normally found in the cytoplasmic matrix of a typical cell? a. amino acids b. glucose-6-phosphate c. carbon dioxide d. urea e. lipids 11. Enzymes of which metabolic pathway can be found in the cytoplasmic matrix? a. beta-oxidation b. glycolysis c. ketone production d. the Kreb’s cycle e. cholesterol synthesis 12. Which organelle is responsible for the production of most of the metabolic energy (ATP)? a. Golgi apparatus b. endoplasmic reticulum