1. Biology HSA Review
Cell Biology

2. The movement of molecules from an area of high concentration to low concentration.

3. The movement of molecules from an area of high concentration to low concentration.
Answer: diffusion

4. This organelle functions to control what enters and exits the cell.

5. This organelle functions to control what enters and exits the cell.
Answer: cell membrane

6. This organelle actually builds proteins.

7. This organelle actually builds proteins.
Answer: ribosomes

8. This is the building block of the cell membrane.

9. This is the building block of the cell membrane.
Answer: phospholipid

10. This is the control center of the eukaryotic cell.

11. This is the control center of the eukaryotic cell.
Answer: nucleus

12. This is the “jelly” of the cell.

13. This is the “jelly” of the cell.
Answer: cytoplasm

14. This is the site of photosynthesis in the plant cell.

15. This is the site of photosynthesis in the plant cell.
Answer: chloroplast

16. This gives the plant its structure and is made of carbohydrates.

17. This gives the plant its structure and is made of carbohydrates.
Answer: cell wall

18. These cells lack membrane bound organelles.

19. These cells lack membrane bound organelles.
Answer: prokaryotic cells (bacteria)

20. This is a tail-like structure found on some prokaryotic cells.

21. This is a tail-like structure found on some prokaryotic cells.
Answer: flagella

22. These are two examples of membrane bound organelles.

23. These are two examples of membrane bound organelles.
Answer: mitochondria and golgi body

24. This characteristic of life is the ability to maintain a constant internal environment.

25. This characteristic of life is the ability to maintain a constant internal environment.
Answer: homeostasis

26. This characteristic of life is describes the organization of an organism into small “units of life”.

27. This characteristic of life is describes the organization of an organism into small “units of life”.
Answer: cells

28. These proteins have small passageways through which specific molecules may pass.

29. These proteins have small passageways through which specific molecules may pass.
Answer: channel proteins

30. These proteins serve to “identify” the cell.

31. These proteins serve to “identify” the cell.
Answer: marker proteins

32. These single-celled organisms do not have a nucleus.

33. These single-celled organisms do not have a nucleus.
Answer: What are bacteria/prokaryotic cells?

34. These are the two types of reproduction.

35. These are the two types of reproduction.
Answer: Sexual and Asexual

36. Prokaryotic (bacteria) cells use this type of asexual reproduction.

37. Prokaryotic (bacteria) cells use this type of asexual reproduction.
Answer: binary fission

38. These small projections on some bacteria flow together to achieve motility (movement).

39. These small projections on some bacteria flow together to achieve motility (movement).
Answer: cilia

40. This single celled amoeba uses these arm-like extensions to move and acquire food.

41. This single celled amoeba uses these arm-like extensions to move and acquire food.
Answer: pseudopod/pseudopodia

42. This is the movement of water from an area of low [ ] of solute to an area of high [ ] of solute.

43. This is the movement of water from an area of low [ ] of solute to an area of high [ ] of solute.
Answer: osmosis

44. This term means “high concentration of solute.” (Ex. Salt water)

45. This term means “high concentration of solute.” (Ex. Salt water)
Answer: hypertonic

46. This term means “low concentration of solute.” (Ex. Salt water)

47. This term means “low concentration of solute.” (Ex. Salt water)
Answer: hypotonic

48. In which of the above situations was a cell placed in a hypotonic solution?

49. In which of the above situations was a cell placed in a hypotonic solution?
Answer: see above

50. If a blood cell is placed in a solution with a lot of solute, this would occur.
Answer: see above

51. If a blood cell is placed in a solution with a lot of solute, this would occur.
Answer: see above

52. This process creates identical copies of a single cell.

53. This process creates identical copies of a single cell.
Answer: mitosis

54. After mitosis, the number of chromosomes in each cell is __________.

55. After mitosis, the number of chromosomes in each cell is __________.
Answer: the same/identical/unchanged

56. These are two differences between animal and plant cells.

57. These are two differences between animal and plant cells.
Answer: plant – large vacuole; chloroplast; cell wall

58. Both plant and animal cells have this organelle that performs cellular respiration.

59. Both plant and animal cells have this organelle that performs cellular respiration.
Answer: mitochondria

60. Only plant cells have this green organelle that uses H2O + CO2 to make glucose C6H12O6.

61. Only plant cells have this green organelle that uses H2O + CO2 to make glucose C6H12O6.
Answer: chloroplast

62. This process uses energy to bring large amounts of molecules into the cell.

63. This process uses energy to bring large amounts of molecules into the cell.
Answer: endocytosis

64. This process uses energy to bring large amounts of molecules out of the cell.

65. This process uses energy to bring large amounts of molecules out of the cell.
Answer: exocytosis