1. And also of … Chapter 1.1 Chapter 1.2
Chapter 2 Review
And also of …
Chapter 1.1
Chapter 1.2

2. Which of the following statements is part of the cell theory?
Only plants are composed of cells.
All cells are produced from other cells.
Cells can be produced from nonliving matter.
Cells are one of several basic units of structure and function in living things.

3. Which of the following statements is part of the cell theory?
2. All cells are produced from other cells.

4. Which of the following statements is NOT part of the cell theory?
Cells are the basic unit of structure and function in living things.
All cells are produced from other cells.
Only animals are composed of cells.
All living things are composed of cells.

5. Which of the following statements is NOT part of the cell theory?
3. Only animals are composed of cells.

6. What is the function of a cell membrane?
to protect and support the cell
to perform different functions in each cell
to control what enters and leaves the cell
to form a hard outer covering for the cell

7. What is the function of a cell membrane?
3. to control what enters and leaves the cell

8. Which organelles produce most of the energy needed by a cell?
mitochondria
chloroplasts
ribosomes
Golgi bodies

9. Which organelles produce most of the energy needed by a cell?
1. mitochondria

10. Which organelle is the control center of a cell?
Mitochondrion
ribosome
nucleus
chloroplast

11. Which organelle is the control center of a cell?
3. nucleus

12. Which organelles produce proteins in the cell?
Golgi bodies
chloroplasts
ribosomes
vacuoles

13. Which organelles produce proteins in the cell?
3. ribosomes

14. DNA and RNA are
lipids.
enzymes.
amino acids.
nucleic acids.

15. DNA and RNA are
4. nucleic acids.

16. What is the function of a cell wall?
to protect and support the cell
to perform different functions in each cell
to prevent water from passing through it
to prevent oxygen from entering the cell

17. What is the function of a cell wall?
to protect and support the cell

18. Chromosomes in the nucleus of a cell
contains instructions that direct the functions of a cell.
controls what substances come into and out of a cell.
protects the nucleus with a rigid layer of cellulose.
produces ribosomes and proteins.

19. Chromosomes in the nucleus of a cell
contains instructions that direct the functions of a cell.

20. Which organelles store food and other materials needed by the cell?
mitochondria
chloroplasts
ribosomes
vacuoles

21. Which organelles store food and other materials needed by the cell?
4. vacuoles

22. Which organelles release chemicals that break down large food particles into smaller ones?
endoplasmic reticulum
Golgi bodies
lysosomes
vacuoles

23. Which organelles release chemicals that break down large food particles into smaller ones?
3. lysosomes

24. What are the products of photosynthesis?
carbon dioxide and water
oxygen and water
carbon dioxide and sugars
oxygen and sugars

25. What are the products of photosynthesis?
4. oxygen and sugars

26. What happens during photosynthesis?
The cell uses oxygen to make food.
The cell uses the energy in sunlight to make food.
The cell uses glucose to make oxygen
The cell uses the energy in sunlight to make carbon dioxide.

27. What happens during photosynthesis?
2. The cell uses the energy in sunlight to make food.

28. What product of photosynthesis do most living things need to survive?
water
oxygen
chlorophyll
carbon dioxide

29. What product of photosynthesis do most living things need to survive?
2. oxygen

30. How does photosynthesis benefit heterotrophs?
It adds carbon dioxide to the air.
It creates food that they can eat.
It eliminates harmful sugars.
It creates clean waters.

31. How does photosynthesis benefit heterotrophs?
2. It creates food that they can eat.

32. What happens during respiration?
Oxygen is released into the air.
Glucose is broken down, releasing energy.
Carbohydrates are released into the bloodstream.
Water and carbon dioxide are converted into energy.

33. What happens during respiration?
2. Glucose is broken down, releasing energy.

34. The stage of respiration that releases most of the energy in glucose occurs in the
nucleus.
chloroplast.
cytoplasm.
mitochondria.

35. The stage of respiration that releases most of the energy in glucose occurs in the
4. mitochondria.

36. How are photosynthesis and respiration related?
They have opposite equations.
They have the same equation.
They both produce carbon dioxide.
They both produce oxygen.

37. How are photosynthesis and respiration related?
They have opposite equations.

38. Respiration and photosynthesis keep the levels of carbon dioxide and oxygen in the atmosphere
fairly constant.
constantly changing.
constantly increasing.
constantly decreasing.

39. Respiration and photosynthesis keep the levels of carbon dioxide and oxygen in the atmosphere
fairly constant.

40. Mitosis is the stage during which
the cell’s nucleus divides into two new nuclei.
the cell’s DNA is replicated.
the cell divides into two new cells.
the cell’s cytoplasm divides.

41. Mitosis is the stage during which
the cell’s nucleus divides into two new nuclei.

42. What happens during cytokinesis in animal cells?
A new round of mitosis begins.
Two new daughter cells are formed.
Each organelle divides into two parts.
A cell plate forms in the middle of the cell.

43. What happens during cytokinesis in animal cells?
2. Two new daughter cells are formed.

44. DNA is shaped like a long, thin rod. spiral staircase.
straight ladder.
triple helix.

45. DNA is shaped like a
2. spiral staircase.

46. During DNA replication, adenine (A) always pairs with
guanine (G).
cytosine (C).
thymine (T).
adenine (A).

47. During DNA replication, adenine (A) always pairs with
3. thymine (T).

48. What captures energy from sunlight during photosynthesis?
solar cells
stomata
chlorophyll and other pigments
carbohydrates

49. What captures energy from sunlight during photosynthesis?
3. chlorophyll and other pigments

50. Each rung of the DNA ladder is made of
a single nitrogen base.
a pair of nitrogen bases.
three nitrogen bases.
four nitrogen bases.

51. Each rung of the DNA ladder is made of
2. pair of nitrogen bases.

52. Carbon dioxide enters plants through the
pigments.
chloroplasts.
chlorophyll.
stomata.

53. Carbon dioxide enters plants through the
4. stomata.

54. Respiration in most cells requires
water.
oxygen.
chlorophyll.
carbon dioxide.

55. Respiration in most cells requires
2. oxygen.

56. What is copied during replication?
the cell’s organelles
chromosomes
the cell’s DNA
two daughter cells

57. What is copied during replication?
the cell’s organelles
chromosomes
the cell’s DNA
two daughter cells

58. What are chromatids? identical strands of chromosomes
identical daughter cells
doubled rods of condensed chromatin.
pigments that absorb the energy in sunlight

59. What are chromatids?
identical strands of chromosomes

60. What forms around the chromatids during mitosis?
two new chromosomes
two new nuclei
two new cells
two new DNA molecules

61. What forms around the chromatids during mitosis?
2. two new nuclei

62. Which of the following statements is part of the cell theory?
Only plants are composed of cells.
All cells are produced from other cells.
Cells can be produced from nonliving matter.
Cells are one of several basic units of structure and function in living things.

63. Which of the following statements is part of the cell theory?
2. All cells are produced from other cells.

64. Which of the following statements is NOT part of the cell theory?
Cells are the basic unit of structure and function in living things.
All cells are produced from other cells.
Only animals are composed of cells.
All living things are composed of cells.

65. Which of the following statements is NOT part of the cell theory?
3. Only animals are composed of cells.

66. The phase in which the nuclear membrane disappears, DNA condenses to form chromosomes, centromeres and spindle fiber appear.

67. The phase in which the nuclear membrane disappears, DNA condenses to form chromosomes, centromeres and spindle fiber appear.
Prophase

68. The stage in which the cells nucleus divides in two.

69. The stage in which the cells nucleus divides in two.
Mitosis

70. The chromosomes are at opposite ends of the cell, the nuclear membrane begins to reform.

71. The chromosomes are at opposite ends of the cell, the nuclear membrane begins to reform.
Telophase

72. The phase at which the centromeres spilt and the chromatids are pulled to opposite poles.

73. The phase at which the centromeres spilt and the chromatids are pulled to opposite poles.
Anaphase

74. One of the identical condensed rods of a DNA that are joined by a centromere.

75. One of the identical condensed rods of a DNA that are joined by a centromere.
Chromatid

76. The final stage of cell division, in which the cell’s cytoplasm divides, distributing the organelles into 2 new cells

77. The final stage of cell division, in which the cell’s cytoplasm divides, distributing the organelles into 2 new cells
Cytokinesis

78. The phase in the cell cycle in which the chromosomes align on the plate.

79. The phase in the cell cycle in which the chromosomes align on the plate.
Metaphase

80. Rod shaped structures made of condensed chromatin, that contain genetic material, replicated DNA

81. Rod shaped structures made of condensed chromatin, that contain genetic material, replicated DNA
Chromosomes

82. During this phase the cell grows to its mature size, making a copy of its DNA, and prepares to divide into two cells.

83. During this phase the cell grows to its mature size, making a copy of its DNA, and prepares to divide into two cells.
Interphase

84. The regular sequence of growth and division a cell can undergo.

85. The regular sequence of growth and division a cell can undergo.
Cell Cycle

86. The process by which a cell makes a copy of the DNA in its nucleus.

87. The process by which a cell makes a copy of the DNA in its nucleus.
Replication

89. The basic unit of structure and function in living things
Cells

90. The outside boundary of a cell; controls which substances can enter and leave the cell
Cell Membrane

91. A widely accepted explanation of the relationship between cells and living things
Cell Theory

92. Small units that are linked together chemically to form large protein molecules
Amino acids

93. A ridged layer of nonliving material that surrounds the cells of plants and some other organisms
Cell Wall

94. A chemical the cell wall of plants rigid and strong
Cellulose

95. A structure in the cells of plants, algae, and some bacteria
Chloroplast

96. The region of a cell located inside the cell membrane (prokaryote) or between the cell membrane and the nucleus (eukaryote); contains a gel-like material and cell organelles
Cytoplasm

97. An organism with cells that contain a nuclei and other cell structures
eukaryote

98. A small round cell structure that contains chemicals that break down large food particles into smaller ones
Lysomes

99. A tiny structure that carries out a specific function in the cell
Organelle

100. The control center of the cell that directs the cell’s activities; contains the chemical instruction that cells direct the cell’s activities and determine the cell’s characteristics
Nucleus

101. A very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, and phosphorus, that contain instructions that cells need to carry out all the functions of life
Nucleic acid

102. Rod-shaped cell structures that produce most of the energy needed to carry out the cell’s function
Mitochondria

103. A living thing
Organism

104. A organism whose cells lack a nucleus and some other cell structures
Prokaryote

105. A tiny structure in the cytoplasm of a cell where proteins are made
Ribosome

106. A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of a cell to another
Endoplasmic reticulum

107. Material in cells that contain DNA and genetic information
chromosomes

108. Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from the parent to the offspring
DNA

109. Ribonucleic acid; a nucleic acid that plays an important role in the production of proteins
RNA

110. A water-filled sac inside a cell that acts as a storage area
Vacuole

111. A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell
Golgi body