Chapter 2. The Cell Multiple Choice Questions

Chapter 2. The Cell Multiple Choice Questions 1. The unit of measurement often used to measure cell size is the A. Millimet er B. Micromet er C. Hectomet er D. Centimet er E. Mete r 2. The microscope of choice for a detailed three-dimensional study of the surface of a specimen is the A. Scanning electron microscope B. Transmission electron microscope C. Light microscope D. Naked eye E. Telescop e 3. An image produced by passing visible light through a specimen is obtained using the A. Transmission electron microscope B. Light microscope C. Scanning electron microscope D. Dissecting scope E. Ocular examination method 4. Among the functions of human body cells are A. Coverin g B. Storag e C. Moveme nt D. Communicati on E. All of the choices are correct 5. Among the functions of human body cells are A. Making connections B. Providing for defense C. Lining surfaces D. Producing new cells E. All of the choices are correct 6. The is responsible for forming the outer, limiting barrier of a cell. A. Peroxisom e B. Ribosom e C. Mitochondri on D. Plasma membrane E. Centrosom e 7. The is the cell's control center. A. Golgi apparatus B. Nucleu s C. Lysosom e D. Cytos ol E. Smooth ER 8. The are responsible for synthesizing most of a human body cell's ATP. A. Lysosome s B. Microfilamen ts C. Nucleo li D. Ribosome s E. Mitochondr ia 9. Which is a nonmembrane-bound organelle? A. Microtubu le B. Lysosom e C. Golgi apparatus D. Rough endoplasmic reticulum E. Mitochondri on 10. Which of the following structures function in holding organelles in place, maintaining cell shape and rigidity, and direct organelle movement? A. Centriol es B. Flagell a C. Golgi apparatus D. Microtubul es E. Cili a 11. Identify the organelle that provides enzymes for autolysis. A. Peroxisome s B. Mitochondr ia C. Smooth ER D. Golgi apparatus E. Lysosome s 12. Which are not considered to be "inclusions" in the cytoplasm? A. Melanin droplets B. Protein droplets C. Ribosome s D. Glycogen granules E. Lipid droplets 13. Which of these is considered a "gate keeper" that regulates the passage of materials in or out of the cell? A. Cili a B. Plasma membrane C. Lysosom e D. Cholesterol molecule E. Flagellu m 14. Proteins that are embedded within, and extend across, the phospholipid bilayer are called proteins. A. Catalyt ic B. Integr al C. Cytoskelet on D. Peripher al E. Transpo rt 15. Proteins that assist the movement of a substance across the membrane are called proteins. A. Catalyt ic B. Cytoskelet on C. Transpo rt D. Cell to cell recognition (identification) E. Intercellular attachment 16. Among the factors that influence cell membrane permeability are A. Phospholipid composition of the membrane B. Ionic charge along the membrane C. Presence or absence of transport proteins D. Molecule size E. All of the choices are correct 17. Which is an active transport process? A. Simple diffusion B. Bulk filtration C. Osmosi s D. Facilitated diffusion E. Ion pump 18. The movement of glucose across a plasma membrane is achieved by A. Ion pumps B. Receptor-mediated exocytosis C. Osmosi s D. Facilitated diffusion E. Phagocytos is 19. Which is a passive transport process? A. Phagocytos is B. Pinocytosi s C. Receptor-mediated endocytosis D. Osmosi s E. Ion pump 20. Another name for the intracellular fluid is A. Cytos ol B. Interstitial fluid C. Intercellular matrix D. Cytoplas m E. Cisterna e 21. Bulk filtration occurs as a result of A. Molecular movement with carrier assistance B. Hydrostatic pressure C. The expenditure of energy in the form of ATP D. Concentration gradients E. Ion pumps 22. Exocytosis occurs as a result of A. Hydrostatic pressure B. The expenditure of energy in the form of ATP C. Molecular movement with carrier assistance D. Concentration gradients E. Ion pumps 23. In order to process digested nutrients and detoxify chemical agents such as drugs and alcohol, the contains abundant amounts of smooth ER. A. Live r B. Kidne y C. Small intestine D. Pancrea s E. Stomac h 24. The uptake of cholesterol into cells is an example of A. Phagocytos is B. Pinocytosi s C. Receptor-mediated endocytosis D. Receptor-mediated exocytosis E. Simple diffusion 25. Which is not a membrane-bound organelle? A. Endoplasmic reticulum B. Lysosom e C. Golgi apparatus D. Peroxisom e E. No exceptions; all of these are membrane-bound organelles 26. Removal of old organelles is via a process called A. Pinocytosi s B. Autopha gy C. Autolysi s D. Filtratio n E. Vascularizati on 27. Catalase-containing peroxisomes are most abundant in cells. A. Live r B. Kidne y C. Pancrea s D. Thymu s E. Pituitar y 28. The factor that determines the number of mitochondria in a cell is its need.