1. Cells Test bank

2. 1 1. Who was one of the first people to identify and see cork cells?
B. Robert Hooke

3. 2
2 The work of Schleiden and Schwann can be summarized by saying that:
D. All plants and animals are made of cells

4. 3 Which of the following is NOT a principle of the cell theory:
C. Very Few Cells Reproduce

5. 4
The cell theory applies to:
D. All of the above

6. 5 Electron Microscopes can reveal details :
D times smaller than those visible in light microscopes

7. 6
Which type(s) of microscopes can produce three-dimensional images of cells:
B. Scanning electron microscopes

8. 7 Researchers use fluorescent labels and light microscopy to:
C. follow molecules moving through the cells

9. 8
Prokaryotes lack:
C. a nucleus

10. 9
Which of the following contain a nucleus:
C. Eukaryotes

11. 10
Eukaryotes usually contain:
D. All of the above

12. 11
Which of the following organisms are prokaryotes:
C. Bacteria

13. 12 Which of the following is a function of the nucleus?
D. All of the above

14. 13
Which of the following is NOT found in the nucleus:
A. Cytoplasm

15. 14
Which of the following statements explains why the nucleus is important to cells:
C. The nucleus contains coded instructions for making proteins

16. 15 Which of the following structure are found in the cytoplasm:
B. Ribosome

17. 16 Which organelle breaks down food into molecules the cell can use:
B. Lysosome

18. 17
Which structure makes protein using coded instructions that come from the nucleus:
D. Ribosome

19. 18
Which organelle converts the chemical energy stored in food compounds that are more convenient for the cells to use:
D. Mitochondrion

20. 19 Which organelles help provide the cell with energy?
A. Mitochondrion and Chloroplasts

21. 20 Which sequence correctly traces the path of a protein in the cells:
A. Rough endoplasmic reticulum, Golgi apparatus, rele3ased from the cell.

22. 21
Which organelle would you expect to find in plant cells, but not animal cells?
C. Chloroplast

23. 22 Which of the following is a function of the cytoskeleton?
A. Helps a cell keep its shape

24. 23 Which structures carry out cell movement?
C. Microtubules and Microfilaments

25. 24 Which of the following is NOT a function of the cytoskeleton?
C. Prevent chromosomes from separating

26. 25 The main function of the cell wall is to:
A. Support and protect the cell.

27. 26 Unlike the cell membrane, the cell wall is:
D. Usually made of though fibers

28. 27 You will NOT find a cell wall in which of these kinds of organisms:
B. Animals

29. 28
Which of the following structure serves as the cell’s boundary from its environment?
B. Cell Membrane

30. 29 Which of the following is a function of the cell membrane?
D. Regulates which materials enter and leave the cell

31. 30
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
B. Lipids

32. 31 Diffusion is the movement of molecules from:
B. an area of high concentration to an area of low concentration

33. 32 Diffusion occurs because:
A. Molecules constantly move and collide with each other.

34. 33
When the concentration of molecules on both sides of a membrane is the same, the molecules will:
C. Move across the membrane in both directions

35. 34
Which means of particle transport requires input of energy from the cell?
D. Active transport

36. 35
The diffusion of water across a selectively permeable membrane is called:
B. Osmosis

37. 36
An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes:
A. Water to move into the cell

38. 37 Which term refers to cells having different jobs in an organism?
B Cell specialization

39. 38 The cells of multicellular organisms are:
C. Specialized to perform different tasks

40. 39 All of the following are examples of cell specialization EXCEPT:
C. A prokaryotic cell that carries out photosynthesis

41. 40
Which of the following is an example of an organ?
A. Heart

42. 41
All of the following are types of tissues EXCEPT:
C. Digestive

43. 42
A group of similar cells that perform a particular function is called a(an)L
C. Tissue

44. 43 Which of the following is an organ of the digestive system?
A. Stomach

45. 44 An organ system is a group of organs that:
C. Work together to perform a specific function

46. 45
Which list represents the levels of organization in a multicellular organism from the simplest level to the most complex level?
D. Cell, tissue, organ, organ system

47. 46
True or False:
If a cell contains a nucleus, it must be a prokaryote.
False. If a cell contains a nucleus, it must be a eukaryote