Chapter 03 – Cells
28. Maintaining the internal pressure of plants cells is a function of the
29. Which organelle is correctly matched with its function?
Chapter 03 – Cells
30. Cyclosis is explained as the
31. The middle lamella
32. In which phase of the cell cycle does replication (duplication) of the DNA take place?
Chapter 03 – Cells
33. In mitosis the two chromatids of each chromosome separate and move to opposite poles
during
34. Which of the following does NOT occur during interphase?
Chapter 03 – Cells
35. In plants such as ferns, conifers, and flowering plants, mitosis takes place mostly in
36. Following chromosome duplication, the 2 chromatids are held together at the
Chapter 03 – Cells
37. If a cell has 6 chromosomes, how many chromatids are present during metaphase of
mitosis?
38. Chromosomes shorten and thicken during this stage of the cell cycle.
Chapter 03 – Cells
39. A characteristic of metaphase is that
40. The cell plate appears during
Chapter 03 – Cells
41. The _______________________ initiates the formation of the new cell wall separating
42. Communication between two daughter cells is maintained by the formation of
___________ during cytokinesis.
Chapter 03 – Cells
43. The secondary cell wall forms ______________________________.
True / False Questions
44. Leeuwenhoek is credited with applying the term cell to the boxlike compartments he saw
in cork tissue.
45. Pasteur discovered that alcoholic fermentation involved the activity of yeast.
Chapter 03 – Cells
46. A plasma membrane consists primarily of carbohydrate molecules.
47. The region of a chromosome to which a spindle fiber may be attached is called a
chromatid.
48. Golgi bodies (dictyosomes) appear as branches of chloroplasts in the cell.
Chapter 03 – Cells
49. Cell vacuoles contain water and dissolved substances.
50. The nuclear envelope is porous to allow certain molecules to move between the nucleus
and cytoplasm.
51. The preprophase band, the spindle fibers, and the phragmoplast are involved in cell
division and are part of the cytoskeleton.
Chapter 03 – Cells
53. Cyclosis is another name for the cell cycle.
54. Vacuoles function in regulating the movement of RNA out of the nucleus.
55. Anthocyanins are water-soluble pigments found in vacuoles.
Chapter 03 – Cells
56. Leucoplasts contain yellow to orange pigments.
57. Phragmoplasts are produced during prophase of mitosis.
58. Replication (duplication) of DNA takes place during the S period of interphase.
Chapter 03 – Cells
59. Strictly speaking, mitosis refers only to division of nuclei—not cells.
60. Material to be viewed with a transmission electron microscope must be nonliving.