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Name: Class: Date: ID: A CHAPTER3 (3.1,3.2,3.4) Multiple Choice Ident the choice that best completesthe statementor answers the question. 1. The invention of the microscope made it possible for people to discover a. plants. b. skin. c. animals. d. cells. 2. Which of the following statementsis part of the cell theory? a. Only plants are composedof cells. b. All cells are producedfrom other cells. c. Cells can be producedfrom nonliving matter. d. Cells are one of severalbasic units of structure and function in living things. 3. Which of the following statementsis l.{OT part of the cell theory? a. Cells are the basic unit of structure and function in living things. b. All cells are producedfrom other cells. c. Only animalsare composedof cells. d. All living things are composedof cells. 4. Cells in multicellular organisms a. all look the same. b. all havethe samestructure. c. are often quite different from each other. d. are the samesize in every part of the organism. 5. What is the function of a cell wall? a. to protect and support the cell b. to perform different functions in each cell c. to prevent water from passingthrough it d. to prevent oxygen from entering the cell 6. What is the function of a cell membrane? a. ro suppon the cell b. to perform different functions in each cell c. to control what enters and leavesthe cell d. to form a hard outer covering for the cell 7 . Which organelleis the control centerof a cell? a. mitochondrion b. ribosome c. nucleus d. chloroplast 8. Which of the following best describesthe function of mitochondria? a. They convert energy from food molecules into energythe cell can use. b. They storeenergyfrom food molecules. c. They storeenergyfrom sunlight. d. They produce nucleic acids that releaseenergy. 9. Which organellesstore food and other materials neededby the cell? a. mitochondria b. chloroplasts c. ribosomes d. vacuoles 10. Which organellesreleasechemicalsthat break down large food particles into smaller ones? a. endoplasmicreticulum b. Golgi bodies c. lysosomes d. vacuoles 11. Which structuresfound in plant cells are also found in animal cells? a. endoplasmicreticulum and cell wall b. Golgi bodiesand chloroplasts c. chloroplastsand lysosomes d. ribosomesand cell membrane 12. Which term refers to the movement of molecules from an area ofhigher concentrationto an area of lower concentration? a. collision b. diffusion c. active transport d. concentration 13. Which term refers to the diffusion of water moleculesthrough a selectively permeable membrane? a' osmosis b. engulfing c. active transport d. passivetransport ID: A Name: 14. Which term refers to the movement of materials through a cell membranewithout using the cell's energy? a. concentration b. collision c. active transport d. passivetransport 18. Depending on the cell, one thing a cell wall and cell membranemay have in common is a. either may separatea cell from its environment. b. both are presentin all cells. c. neither can prevent harmful materials from entering the cell. d. one cannot exist without the other. 15. Though cells in living things are put togetherin many ways to form different structures,all cells a. are identical in size. b. carry out the exact samefunction. c. carry out similar life processes. d. work with only one other type of cell. 19. Osmosisand diffusion are relatedin that a. both are methodsto stop movement of moleculesacrossa cell membrane. b. osmosisis the movement of water acrossthe cell membraneby diffusion. c. both involve the movement of large molecules acrossthe cell membrane. d. both processesonly work in red blood cells. 16. A cell, tissue,and organ are all relatedto an organ systemin that each a. is part of a unicellular organism. b. is made of many organ systems. c. has the samefunction. d. is a part of an organ system. l7. In multicellular organisms,cells are organizedinto a. tissues,which make up organs,which make up organ systems. b. organs,which make up tissues,which make up organ systems. c. organ systems,which make up tissues. d. organs,which make up organ systems. 20. Movement acrossa cell membranethat requires energy is called a. active transport. b. passivetransport. c. engulfing' d' absorption' 2L If a cell's nucleuslackedchromatin,the nucleus would a. be unable to receive materials through the nuclearenvelope. b. lose all its genetic information and its ability to direct the cell's activities. c. reproduceat more than twice the normal rate. d. be unable to convert energy in food molecules. True/tr'alse Indicate whether the statementis true or false. A: True B: False 22. You can't seethe cells in your body becausemost of them are very_small. 25. Organellesthat use energyfrom sunlightto produce food are called mitochondria. 23. A microscope is an instrument that makes distant objectslook larger. 26. In passivetransport, materials move from an atea ofhigher concentrationto an areaoflower concentrationthrough a cell membrane' 24. The cell theory statesthat cells are produced from nonliving cells. ID: A Name: Completion Complete each statement. 27. A microscopeallowed Hooke to see"tiny rectangularrooms," which he called 35. Thediffusionof moleculesthrougha selectivelypermeable membrane is calledosmosis. 28,' Cellsarethe basicunits of structureand in living things. 36. Unlike passivetransport,activetransportrequires the cell to useits own 29. Accordingto the cell theory,all organismsare 37. Your heartis madeup of manygroupsof tissues madeof 30. Thenucleusof a cell hasthin strandsof that contain genetic material. that are working together, therefore, it is considereda(n) 38. Energy from sunlight captured by 31. Smallgrainlikebodiescalled produce proteins inside cells. knownas 32. Organelles containchemicalsthat breakdown food particles andold cell parts. 33. A structurefoundin plant cellsbut not in animal cellsis thecell 34. Oxygen moleculesmove acrosscell membranes through a processcalled in plantcells enableplants to convert energy into food. 39. A cell with a low concentration of oxygen will likely gain oxygen molecules from an areawith a higher oxygen concentrationthrough the processof 40. The stomachis an example of a(n) that is composedof muscle tissue. ID: A Name: Short Answer Use the diagram to answer each question. CellStructures 41. What aretwo structuresthat arenot foundin the cell shownherebut that arefoundin plantcells. a) Cell membrane,Chloroplasts b) Cell Wall andNucleus c) Cell Wall andChloroplasts d) Cell Membraneandmitochondria 42. Identiff StructureA a. ribosomes b. golgibody c. vacuole d. endoplasmicreticulum 43. Identiff the structureslabeledB a. mitochondria b. golgibody c. chloroplasts d. nucleus 44. Identifustructure C a. golgibody reticulum b. endoplasmic c. ribosomes d. vacuole 45. Identiff the largeroundstructurelabeledD a. mitochondria b. cell wall c. lysosome d. nucleus 46' Is the cell showna plant cell? a. yes b. no c. can'ttell