Name _________________________________________________________________________________ Per __________ Due Date ____________

Unit 2 Worksheet

I. Matching - match each term with the correct description. Each choice is used one time.

_______ 1. Control center of eukaryotic cell_______ 2. Hair-like appendages allow bacteria to stick to surfaces_______ 3. Term used to describe cell structures_______ 4. Carbohydrate ID tags of a virus_______ 5. Site of detoxification & manufacture of lipids_______ 6. “Cell Gel”_______ 7. Openings in membrane surrounding nucleus that allows for RNA to pass through_______ 8. Converts energy stored in glucose to ATP_______ 9. Viral cycle which is asymptomatic for a time; dormant period_______ 10. Play a role in cell division of animal cells_______ 11. Provides shape and structure to cell; more extensive in animal cells_______ 12. Maintains homeostasis in cell_______ 13. Particle or virion_______ 14. Captures energy from the sun to produce glucose; site of photosynthesis_______ 15. “Transport bubbles”; used to move biomolecules, etc._______ 16. Structure that produces proteins in a cell_______ 17. Cell postmaster; packages & ships biomolecules_______ 18. Viruses’ protein coat_______ 19. Uses enzymes to disinfect, break down, and recycle_______ 20. Outermost boundary of plant, fungal, & bacterial cells_______ 21. Whip-like structure aids in movement of some cells_______ 22. Membrane that surrounds nucleus_______ 23. Aids in viral attachment_______ 24. Plays a role in viral pathogenicity_______ 25. Proteins that make up the cytoskeleton_______ 26. Site of ribosome production_______ 27. Storage sac for water, wastes, molecules_______ 28. Modifies & transports proteins_______ 29. Cytosol + organelles_______ 30. Virus that infects bacteria_______ 31. Fine strands of DNA wrapped in protein_______ 32. Symptomatic viral cycle; causes immediate death of cell_______ 33. Made phospholipid, surrounds virus, used to help virus attach to host cell

II. Complete the table by placing a check mark under the appropriate column(s).Characteristic Prokaryotic cells Eukaryotic Cells34. Contain definite nucleus35. Have complex internal structures

36. Reproduce asexually

37. All are unicellular

38. Contain DNA

39. May become specialized

40. Respond to environment

41. Circular loop of DNA42. An example is yeast

III. To complete the following table, identify the described structure. Indicate which cell(s) contain that structure by making an X in the correct column(s).

A. bacteriophageB. capsidC. capsomeresD. viral envelopeE. cell membraneF. cell wallG. centriolesH. chloroplastI. chromatinJ. cytoplasmK. cytoskeletonL. cytosolM. flagellaN. Golgi apparatusO. gylcoproteinsP. lysogenic infectionQ. lysosomeR. lytic infectionS. microtubules & microfilamentsT. mitochondriaU. nuclear envelopeV. nuclear poresW. nucleolusX. nucleusY. organellesZ. pilli/fimbriaeAA. ribosomeBB. rough ERCC. smooth ERDD. tail fiberEE. vacuoleFF. vesiclesGG. viruses

Cell Structure FunctionFound in Bacteria?

Found in Plant

Cells?

Found in Animal Cells?

43. Cell Gel

44. Selectively permeable structure which maintains homeostasis

45. Network of tubes in which proteins are manufactured, modified, & transported

46. Directs cell’s activities, location of cell’s DNA

47. Structure that produces proteins

48. Organelle that produces energy from glucose

49.

Site of lipid production, detoxification of poisons, calcium storage, glycogen breakdown

50. Name used to describe fine strands of DNA wrapped in protein

51. Organelle that converts sun’s energy into useable energy

52.Stores water, food, wastes

53. Outermost boundary of some cells – provides structure and support

54. Clean-up and recycling crew – also destroys bacteria and other foreign organisms

55. “Cell Postmaster”; Receives, modifies, and ships biomolecules by way of vesicles to cellular destinations

56. Made up of microtubules and microfilaments

57. Double phospholipid bilayer; surrounds & protects DNA

58.Site of ribosome production

59.Play a role in cell division

60. Openings in nuclear envelope; allows for passage of RNA

I. Eukaryotic Cell Structures – Identify the cell structure indicated, then write the letter of the correct description of that structure.