biology eoc review midterm - garzzillo...

Biology EOC Review Mid-‐term Exam

1. ______ What is the total magnification used to view these onion cells through the microscope set-‐up in the picture?

a. 400x b. 50x c. 10x d. 40x

2. ______ Which of these is responsible for the “rough” appearance of the endoplasmic reticulum? a. Enzymes b. DNA c. Lysosomes d. Ribosomes

3. ______ According to the data in the graph, during which time period did the overall bluegill population decline?

a. 1993 – 1996 b. 1996 – 1999 c. 1999 – 2002 d. 1990 – 1993

4. ______ A biology class of 24 students decides to measure the height of each student and then calculate the average height for the class. Which of these is a possible source of error in this activity?

a. The number of males and females in the class b. The total number of students in the class c. The difference in the ages of the students in the class d. The accuracy of making and recording measurements

5. ______The energy in the food produced by autotrophs or taken into the bodies of heterotrophs must

be changed into a form that cells can use. The energy-‐transferring molecule used by cells is… a. DNA b. ATP c. RNA d. CO2

6. ______ Which of the following phases is the first step in mitosis?

a. Telophase b. Anaphase c. Prophase d. Metaphase

7. ______ Tissues samples taken from the heart and stomach of a grasshopper would be expected to have the same …

a. DNA b. Metabolic rates c. Cell Size d. Cell Shape

8. ______ A company that produces Brand X flea shampoo claims to have the most effective shampoo for killing fleas. Which of these sets of data supports the Brand X claim?

9. ______ A student hypothesizes that thick leg muscles are an inherited trait in dogs. The student collects data on several dogs, and the data show that dogs that live outdoors have thicker leg muscles than dogs that live indoors. What should the student conclude?

a. Inheritance alone may not account for thick leg muscles in dogs. b. Inheritance of thick leg muscles may be associated with coat thickness in dogs. c. Dogs with thick leg muscles may require more exercise than dogs with thin leg muscles. d. Dogs that inherit thick leg muscles may not survive

10. ______ Both lipids and carbohydrates are important in animal cells because both…

a. Form cell walls c. Store energy b. Provide insulation d. Contain nitrogen

11. ______ Some unicellular organisms are motile (have the ability to move) and some are non-‐motile.

Which cellular structures are associated with movement? a. Chloroplasts b. Ribosomes c. Vacuoles d. Flagella

12. ______ What repackages proteins into forms the cell can use, expel, or keep stored?

a. Golgi bodies b. Centrioles c. Lysosomes d. Mitochondria

13. ______ Which of these is the best model of a prokaryotic cell?

14. ______ Change in species is describes as a process that usually occurs over long periods of time. Yet, even though antibiotics have only been widely used for fifty years, scientists recognize that overuse of antibiotics has led to antibiotic-‐resistant strains of bacteria. The reason this can occur in a relatively short span of time is that…

a. Bacteria are very small b. There are many different types of bacteria c. Bacteria reproduce rapidly d. Travelers carry bacteria around the world

15. ______ When there is a lower concentration of water outside of a plant cell rather than inside a plant

cell, the plant will tend to… a. Grow towards the sun b. Lose water and wilt c. Gain water and become rigid d. Increase its rate of photosynthesis

16. ______ Amino acids link together by peptide bonds to form proteins. In which cellular organelle

would the process occur? a. Mitochondria b. Ribosomes c. Golgi body d. Lysosome

17. ______ The information in the table below was collected in the field while studying the effect of pH on the growth of the duckweed plant. The data shows that duckweed has optimum growth at a pH of…

Pond pH of Pond Water # of Duckweed Plants A 6 150 B 12 300 C 8 500 D 4 80

a. 8 b. 6 c. 4 d. 12

18. ______ Which questions cannot be answer scientifically because the quantity cannot be measured?

a. How heavy is a mature female elephant? b. How fast can a tiger butterfly fly? c. How happy is a chimpanzee when it finds its favorite food? d. How much food does a water buffalo consume in one day?

19. ______ What is the primary function of the cell membrane?

a. Determining genetic traits b. Defending against foreign particles c. Breaking down proteins for energy d. Generating energy from mineral nutrients

20. ______ A bird-‐watcher records the movement of migrating birds. In which part of the scientific

process is the bird-‐watcher participating? a. Control variables b. Experimenting c. Observing d. Hypothesizing

21. ______ What will most likely be the result if all of the mitochondria are removed from a plant cell?

a. It will be unable to carry out respiration. b. It will lose water through osmosis. c. It will break down the ribosomes in the cell. d. It will be unable to photosynthesize.

22. ______ During strenuous exercise, body temperature increases. The body responds to the increase

in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?

a. Excretion b. Metabolism c. Homeostasis d. Synthesis

23. ______ Before mitosis begins, which happens before the nucleus starts dividing? a. The cytoplasm separates c. The DNA replicates b. The sister chromatids separate d. The homologous chromosomes cross-‐over

24. ______ Which statement best describes the relationship that exists among proteins, DNA, and cells?

a. Cells contain DNA, which controls the production of proteins b. Proteins are made up of DNA, which determines the cells that are produced c. DNA is made up of proteins, which tell a cell how to function

25. ______ What type of organic molecules are enzymes? a. Carbohydrates b. Lipids c. Nucleic Acids d. Proteins

26. ______ Which structure is found in a plant cell but is absent in an animal cell?

a. Mitochondria b. Cell wall c. Nucleus d. Ribosomes

27. ______ Which best explains why muscle cells are different from blood cells? a. A mutation occurs during the development of muscle cells but not in blood cells. b. Different genes are activated in muscle cells than in blood cells. c. Muscle cells experience different environmental influences than blood cells. d. Muscle cells are produced by the brain, but blood cells are produced by the heart.

28. ______ A freshwater plant is placed in container of saltwater. What will most likely happen to the

cells of the plant? a. The will swell because water will move into them. b. They will swell because salt will move into them. c. They will shrink because water will move out of them. d. They will shrink because salt will move out of them.

29. ______ During which phase of the cell cycle is the cell growing and preparing for cellular division?

a. Cytokinesis b. Anaphase c. Prophase d. Interphase

30. ______ Which type of molecule do whales use for energy storage and insulation? a. DNA b. Glucose c. Fat d. Starch

31. ______ If energy is needed to move materials into or out of a cell, what is most likely occurring?

a. Active transport c. Passive Transport b. Osmosis d. Diffusion

32. ______ How are prokaryotic and eukaryotic cells similar?

a. Both contain a nucleus b. Both contain ribosomes c. Both contain membrane-‐bound organelles d. Both contain cell walls

33. ______What is the result when a single cell reproduces by mitosis?

a. Two cells with genetic material identical to the parent cell b. Two cells with half the genetic material of the plant cell c. Four cells with half the genetic material of the parent cell d. Four cells with genetic material identical to the parent cell

34. ______ These diagrams represent a Euglena and a Paramecium. Which function do structures X and Y have in common?

a. Digestion b. Gathering food c. Movement d. Reproduction

35. ______ Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?

a. Substances are moving rapidly across the cell membrane b. ATP is being rapidly consumed near the cellular membrane c. Substances are moving from high to low concentration d. Substances are moving through channels in the cell membrane.

36. ______ During chemistry class your teacher challenged you to dissolve four salts as quickly as

possible in a specific volume of water. Each group had to pick a variable to test, a variable that would speed up the dissolving process. Each group had to design an experiment using the steps of the scientific method. The teacher began the experiment with the research question: how can you speed up the dissolution of salt in water? Your group stated: if the water temperature increases, the dissolving time of the four salts will decrease. Your statement can best be described as your groups: a. Hypothesis b. Law c. Theory d. Variable

37. ______ The process of sharing results in working together to develop you hypotheses in

experiments is known as ___________________. a. Accuracy b. Risk taking c. Collaboration

38. ______ Which safety precaution is common to all laboratory activities?

a. Where a lab apron b. Follow instructions c. Disinfect the lab bench d. Disposal of materials into hazardous waste containers

39. ______ Which measures the mass of an object?

a. A spring scale (in N) c. A graduated cylinder (in mL) b. A height scale (in feet) d. A triple beam balance (in grams)

40. ______ Which tool would best be used for measuring the temperature of the classroom? a. Atmosphmometer c. Sphygmomanometer b. Barometer d. Thermometer

41. _____ When and experiment is repeated and the new results are different from the original results

what may likely be inferred? a. Additional test/trials are needed b. Both results are wrong due to the discrepancy c. The hypothesis is incorrect in must be modified d. The first must be in accurate because you are sure the second results are correct

42. _____ The factor being changed in a controlled experiment is called the ___________________.

a. Data b. Controlled variable c. Dependent variable d. Independent variable

43. ______ A marine biologist is examining the effects of oil pollution on a population of seagulls. He is

particularly interested in determining whether oil pollution reduces the number of eggs that may be hatched in each seagull nest. During one breeding season, he has counted the number of eggs present in 16 seagull nests and recorded the distance from each nest to a nearby oil refinery. Which step would best enhance the data from the study and allow the researcher to more confident conclusions?

a. Data could be gathered from nesting sites near other oil pollution sources b. The research could be expanded to include fish and other marina dwelling creatures c. The affects of other pollutants such as air pollution could be included in the study d. The researcher could increase the number of independent variables included in the study

44. ______ A student studies the gathering of frogs at the end of the pond. She has collected data,

formed graphs, and now should do what with that information? a. Experiment b. Author a procedure c. Publish her findings d. Analyze in conclude

45. ______ To eliminate the possibility of hidden or unknown variables, the scientist must run a

_______________ experiment. a. Control b. Preliminary c. Test d. Variable

46. ______ Dr. Trout has noticed that the salmon in his fish hatchery seem to enjoy listening to the radio

when he has it on in the lab. The fish in the tank closest to the radio seem to grow larger. Dr. Trout the size of the more music he plays, the faster the fish must grow. To test his idea, he sets up 5 large ponds with 100 salmon in each pond. He places a loudspeaker at the middle of each pond and plays various amount of music in each pond. He is careful to play the same band, feed the fish the same diet, and keep the water conditions and all tanks exactly the same. After 10 weeks, he ends the trial and takes the average weight of the fish in each pond, and organizes his data in the table. The dependent variable in Dr. Trout’s experiment is:

a. Hours of music b. Mass of the fish c. Diet of the fish d. Size of the ponds

47. _____ A biology student is studying ways to grow crops in soils that are high in salt and other

dissolved solids. To determine whether corn plants can tolerate salty soil conditions, she grows up one corn plant in typical non-‐salty soil and one corn plant in the same soil plus 0.5 kg of salt. After six weeks of growth, the corn plant grown in salty soil is only 50% of the mass and height of the corn plant grown in non-‐salty soil. How can this research be improved so that she will have greater confidence in her data?

a. Repeat the experiment but with additional corn plants to increase the sample size b. Add more salt to the experimental condition so that the resulting data is more clear c. Test in additional variables such as amount of moisture so that the results are more valid d. Revise the original hypothesis to account for the fact that plants do not grow in salty soils

48. ______ Most enzymes are considered what type of macromolecule?

a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid

49. ______ One function of ______________________ is to provide insulation. a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid

50. ______ These macromolecules are made by joining amino acids in long chains, which provide a

variety of functions like muscle contraction. a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid

51. ______ Lipids are different from other macromolecules because they… a. Do NOT mix with water (hydrophobic) c. Are a type of macromolecule b. Dissolve easily in water d. Are found in food

52. ______ Sugars, starch, and cellulose are examples of which macromolecule group?

a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid

53. ______ Hydrophobic fats, oils, waxes, and steroids are examples of which macromolecule group? a. Carbohydrates b. Protein c. Lipid d. Nucleic Acid

54. ______ Enzymes speed up chemical reactions by ________________________.

a. Decreasing activation energy c. Increasing Activation energy b. Increasing temperature d. Decreasing temperature

55. ______ Enzymes are _______________ during chemical reactions and are ________________.

a. changed, reusable b. unchanged, reusable

56. ______ Proteins are said to ___________ when placed in extreme pH or temperature conditions. a. desensitize c. depolarize b. polymerize d. denature

57. _______ These are simple sugars (single units).

a. Polysaccharides c. disaccharides b. monosaccharaides d. macromolecules

58. _______ Which macromolecule (organic molecule) is involved in nearly every function in the human

body as a building block? a. Carbohydrate b. Lipid c. Protein d. Nucleic Acid

59. _______ A substrate binds to an enzyme’s ________________. a. Active site b. Active port c. Inhibitor d. Closed site

60. _______ In humans and other multicellular organisms, which substance plays a central role as an

energy source? a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid

61. _______ Nucleic Acids are made by bonding the monomer ________________.

a. Nucleotides b. Monoacids c. Amino acids d. Steroids

62. _______ What is the caloric value of one gram of a carbohydrate? a. 9 cals/gram b. 4 cals/gram c. 0 cals/gram d. 10 cals/g

63. _______ Enzymes are classified as ______________________ because they decrease activation energy and

speed up reaction. a. Catalysts b. Lipids c. Carbohydrates d. Steroids

64. _______ Which of the following is the main reason that humans need to include carbohydrates in

their diet? a. Act as catalyst to speed up reactions c. Combine to form proteins b. For building blocks d. Broken down for immediate energy

65. _______ Glucose is a monomer of carbohydrates. Therefore, glucose is a ….

a. Enzyme b. Lipid c. Monosaccharide d. Protein

66. _______ Which of these can be built directly using the fatty acids and glycerol? a. Carbohydrates b. Lipids c. Proteins d. Minerals

67. _______ In the following graph, which line represents a reaction completed with the use of a catalyst

or enzyme? a. The top line b. The bottom line

68. _______ Where is most of the energy stored in macromolecules? a. In carbon b. In the bonds c. In Oxygen

69. _______ True or False: Any substrate can bind with any enzyme because enzymes are NOT specific.

a. True b. False

70. _______ Which of the following is NOT a function of a lipid? a. Main source of fuel for cells c. Part of cell membrane b. Insulation from heat loss d. Cushioning for organs

71. _______ If an individual ate chicken alfredo with pasta for dinner, what would the body use first as a

main source of energy? a. Alfredo sauce (lipid) c. Chicken (protein) b. Pasta (carbohydrate) d. Use them all immediately

72. _______ Which of the following does not affect the rate of chemical reactions?

a. pH level b. Catalysts c. Temperature d. Time

73. _______ Which scientist coined the term “cells” after viewing dead cork? a. Hooke b. Virchow c. Schleiden d. Schwann

74. _______ Which scientist stated that all plants were made of cells?

a. Hooke b. Virchow c. Schleiden d. Schwann

75. _______ Which scientist concluded that all animals were made of cells? a. Hooke b. Virchow c. Schleiden d. Schwann

76. _______ Which scientist concluded that all cells come from pre-‐existing cells?

a. Hooke b. Virchow c. Schleiden d. Schwann

77. _______ The cell theory stats that ALL cells have a nucleus. a. True b. False

78. _______ Which statement is true about prokaryotes?

a. The have a nucleus c. They have DNA b. They have chromosomes d. None of the above

79. _______ What is the big difference between prokaryotes and eukaryotes?

a. Prokaryotes have a nucleus and eukaryotes do not b. Eukaryotes have a nucleus and prokaryotic cells do not

80. _______ In which structure would you expect to find a cell wall?

a. A human skin cell c. A liver cell from a mouse b. A cell from an oak tree d. A blood cell from a cat

81. _______ Which organelle converts sugars into energy and is considered the “powerhouse” of the

cell? a. Nucleus b. Ribosome c. Lysosome d. Mitochondria

82. _______ Studying a picture of a cell taken with a microscope, you find that the cell has the following

organelles: nucleus, ribosome, and cell wall. You can conclude that the cell is from a: a. Animal b. Plant c. Either plant or animal d. Neither

83. _______ A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice, the scientists found some cells from many years ago. Using a microscope, the scientists identified the following structures: ribosome, cell membrane, flagellum, and no nucleus. What kind of organism did the scientist find?

a. Animal b. Plant c. Bacteria d. Any of them

84. _______ This organelle is responsible for making proteins. a. Mitochondria c. Plasma Membrane b. Nucleus d. Ribosome

85. _______ This organelle is considered to be the packaging and distribution center of the cell.

a. Nucleus b. Golgi Apparatus c. Cell Membrane d. Smooth ER

86. _______ Which organelle contains the DNA of the cell: a. Nucleus b. Ribosomes c. Rough ER d. Golgi Body

87. _______ Complete the analogy: The cell membrane is to the cell as the __________________________ is to

the ________________________. a. DNA ; Chromosomes c. Rough ER ; Ribosomes b. Nuclear Envelope ; Nucleus d. Smooth ER ; Ribosomes

88. _______ Plant cells have a large membrane-‐bound space in which water, waste, and nutrients are

stored. This organelle is known as: a. Mitochondria b. Vacuole c. Golgi Body d. Chloroplast

89. _______ Which of the following has the organizational system correct from smallest to largest?

a. Cells tissues organism organ system organ b. Tissues organism cells organ organ system c. Organism organ system organ tissue cell d. Cell tissue organ organ system organism

90. _______ This type of cell is typically a unicellular organism with DNA not enclosed in a nucleus.

a. Prokaryote b. Eukaryote c. Animal Cell d. Plant Cell

91. _______ If you compare a cell to a school which organelle would be the principle? a. Mitochondria b. Nucleus c. Chloroplast d. Vacuole

92. _______ How is the smooth endoplasmic reticulum and the rough endoplasmic reticulum different?

a. Smooth ER has ribosomes attached and rough ER does not b. They both have ribosomes attached, and there is not difference structurally c. Rough ER has ribosomes attached and smooth ER does not d. None of the above

93. _______ A single celled organism uses a whip-‐like structure to move. What is this structure called?

a. Chloroplast b. Cilia c. Smooth ER d. Flagella

94. _______ Active transport does NOT require energy. a. True b. False

95. _______ A type of passive transport that uses the help of a protein to “push” the object across the cell membrane is:

a. Osmosis b. Protein pump c. Facilitated Diffusion

96. _______ An animal cell is placed into a beaker of water. The solute concentration is higher inside the cell. Water will move…

a. into the cell b. out of the cell c. Equal movement d. None

97. _______ Which is an example of active transport? a. Osmosis b. Endocytosis c. Facilitated Diffusion d. Diffusion

98. _______ The diffusion of water molecules in and out of the cell is a process know as:

a. Osmosis b. Facilitated diffusion c. Simple diffusion

99. _______ What is the primary function of the cell membrane? a. Determine genetic traits c. determine which substances enter/leave the cell b. Generate energy d. Break down proteins

100. _______ The following diagram shows which process?

a. Endocytosis b. Exocytosis c. Osmosis d. Facilitated Diffusion

101. _______ Which movement of substances through a cell membrane against a concentration gradient requires energy?

a. Active transport b. Osmosis c. Diffusion d. Facilitated Diff.

102. _______ During diffusion, molecules tend to move: a. From low to high concentration b. They don’t move c. From high to low concentration d. Water moves in and out of the cell.

103. _______ When there is a higher solute concentration outside the cell than inside the cell, the

solution is called: a. Hypertonic b. Hypotonic c. Isotonic d. Equilibrium

104. _______ When the concentration of a solute inside and outside the cell is the same, the cell

has reached: a. Maximum concentration c. Equilibrium b. Osmotic Pressure d. None of the above

105. _______ This type of transport requires energy from ATP to move substances across the cell

membrane. a. Passive b. Active

106. _______ Which of the following is a type of active transport that requires the use of vesicle for substances to enter a cell?

a. Facilitated diffusion b. Exocytosis c. Endocytosis d. Protein Pump

107. ______ The nuclear envelope disappears during which phase of mitosis? a. Interphase b. Prophase c. Metaphase d. Anaphase

108. ______ Which occurs during cytokinesis?

a. Binary Fission b. DNA replication c. Cytoplasm divides

109. ______ Which phrase best describes cancer? a. Cancer cells completed abnormal mitosis b. Cancer cells grow too large c. Cancer cells shrink to a small size d. Cancer cells are not regulated by the cell cycle

110. ______ The G1 stage of the cell cycle marks the beginning of the ______________________.

a. Mitosis b. Cytokinesis c. Interphase d. None of the above

111. ______ In which phase do chromosomes attach to spindle fibers and align along the middle of the cell?

a. Interphase b. Prophase c. Anaphase d. Metaphase

112. ______ What is the purpose/goal of mitosis? a. Decrease cell volume c. Produce new cells b. Increase cell volume d. Create genetic diversity

113. ______ During cytokinesis, how do you know you are looking at a plant or animal cell?

a. A cell plate forms in animal cells, while a cleavage furrow forms in plant cells b. Cytokinesis results in genetic diversity in plant cells but not in animal cells c. A cell plate forms in plant cells, while a cleavage furrow forms in animal cells d. Cytokinesis results in genetic diversity in animal cells but not in plant cells

114. ______ What happens during the “S” phase?

a. Chromosomes line up in the middle c. Chromosomes come together b. Splitting the cell d. DNA synthesis is taking place

115. ______ Which is the first phase of mitosis?

a. Interphase b. Prophase c. Metaphase d. Anaphase

116. ______ At the start of mitosis, a cell starts with 12 chromosomes. How many chromosomes will each new daughter cell have after mitosis?

a. 4 b. 6 c. 24 d. 12

117. ______ The overall goal of the cell cycle is growth and _____________________. a. Death b. Stop dividing c. Division d. Doesn’t complete mitosis

118. ______ Which of the following statements about mitosis is correct? a. Two cells are produced, each containing half of the DNA of the original cell. b. Five cells are produced, each containing a random assortment of DNA. c. Three cells are produces, with only one having the entire DNA. d. Two cells are produced, each containing a set of the original cell’s DNA.

119. ______ What process is shown in the diagram?

a. Osmosis b. Meiosis c. Mitosis d. Fertilization

120. ______ Which of the following happens during the entire process of the cell cycle? a. The cytoplasm is split b. Cell growth and division c. The DNA is split d. Only division happens

121. ______ Which of the following has the phases of mitosis in the correct order?

a. Metaphase, Prophase, Anaphase, Telophase b. Telophase, Anaphase, Metaphase, Prophase c. Prophase, Metaphase, Anaphase, Telophase d. Prophase, Anaphase, Metaphase, Telophase

122. ______ What happens in Metaphase?

a. The cell grows & replicates DNA c. The cell splits in two b. The chromosomes move to the middle d. The cell starts to cleave

123. ______ Cancer can be referred to as ______________________________________.

a. Normal mitosis c. Uncontrolled cell growth b. Cell plates forming d. Apoptosis

124. ______ Mitosis, a stage in the cell cycle, is important for what reason?

a. A reduction of chromosomes c. Removal of cancer cells b. Division of the nucleus d. Division of the cytoplasm

125. ______ During which phase of mitosis are sister chromatids pulled to opposite ends of the cell?

a. Prophase b. Metaphase c. Anaphase d. Telophase

126. ______ Which type of cell forms a cell plate during cytokinesis? a. Plant b. Animal c. Bacterial d. Human

Use the diagram below to answer questions 21 – 24.

127. ______ The cell labeled “D” is in ______________ of mitosis. a. Prophase b. Metaphase c. Anaphase d. Telophase

128. ______ The cell labeled “B” is in ______________ of mitosis.


129. ______ The cell labeled “A” is in ______________ of mitosis. a. Prophase b. Metaphase c. Anaphase d. Telophase

130. ______ The cell labeled “C” is in ______________ of mitosis.


131. ______ Why do cells undergo differentiation? a. To divide the nucleus c. To create stem cells b. To create different types of cells d. To reduce the number of chromosomes

132. ______ Nearly all cells in a multicellular organism contain the same DNA

a. True b. False

133. ______ What actually makes the different cells of your body act differently? a. The have different DNA c. The have lower amounts of DNA b. They have different amounts of DNA d. Different parts of the DNA is activated

134. ______ What are stem cells?

a. Every cell is a stem cell c. Specialized cells b. Unspecialized cells d. None of the above

135. ______ Where are stem cells found?

a. Embryos, bone marrow, and umbilical cords c. Bone marrow and umbilical cords b. Embryos only d. embryos and skin cells

136. ______ What regulates the cell cycle?

a. You b. Blood c. Checkpoints d. Nervous System

137. ______ If cells don’t “listen” to the regulations of the cell cycle, what happens? a. They turn into stem cells c. The cells learn better for next time b. The cell stops growing d. The cells turn into cancer

138. ______ In which phase of the cell cycle, does a cleavage furrow form?

a. Prophase b. Metaphase c. Anaphase d. Cytokinesis

139. ______ In which phase of the cell cycle does the nuclear membrane break down? a. Prophase b. Metaphase c. Anaphase d. Telophase

140. ______ In which phase of the cell cycle does the nuclear membrane reform?


141. ______ Which of the following should stop cells division from continuing? a. Checkpoints c. Chemical signals such as enzymes b. External contact with surrounding d. All of the above

142. ______ During which phase of the cell cycle, do cells do their “every day work” for you?

a. Mitosis b. Interphase c. Cytokinesis d. All of the above

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