True/False
Indicate whether the
statement is true or false. Please clearly write your answer in the space provided in the left
margin. If you wish to change your answer, please cross it out and write your final answer next
to it. Answers that do not clearly indicate a choice will be marked incorrect.
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1.
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If you put a cell in a hypertonic solution it will swell until it bursts.
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2.
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Uncontrolled cell division is called cancer.
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3.
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A cells life cycle can be divided into 3 parts, mitosis, meiosis and
cytokinesis.
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4.
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A solution that has the same solute concentration as that in a cell is called an
isotonic solution.
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5.
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As cells get larger, the surface area to volume ratio gets larger.
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6.
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In a cancerous tumor, the tumor suppressor genes are damaged so they do not
produce the marker that tell the cell it is touching another cell and not to divide.
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7.
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Diffusion is movement of water through a semipermeable membrane from where its
highly concentrated to where the concentration is much less.
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8.
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A tumor that still recognizes the tissue it belongs with is called
benign.
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9.
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If an imaginary cell is a perfect square with sides 1 cm, its surface area will
be 6 cm2 and its volume will be 1 cm3.
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10.
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Tumor supressor genes are sections of chromosomes that are constantly telling
the cell to divide.
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11.
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The movement of substances without using any of the cell’s energy is
called passive transport.
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12.
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The structure that holds the two pieces of chromosome together in the middle is
called a centromere.
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13.
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Chromosomes are strands of DNA that have condensed during mitosis.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question. Please clearly write your
answer in the space provided in the left margin. If you wish to change your answer, please
cross it out and write your final answer next to it. Answers that do not clearly indicate a
choice will be marked incorrect.
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14.
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Which of the following is not a type of passive transport
a. | facilitated diffusion | c. | all are types of passive transport | b. | endocytosis | d. | diffusion |
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15.
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All of the following can cause cancer except:
a. | smoking cigarettes | c. | uv radiation | b. | all of these | d. | chemicals such as
formaldehyde |
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16.
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_________________ is the name given to the two halves of a chromosome.
a. | sister chromatids | c. | chromatin | b. | centromeres | d. | flagella |
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17.
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Which of the following is not working correctly in a mass of cancerous
cells?
a. | oncogenes | c. | both a and b | b. | tumor suppressor genes | d. | neither a nor b |
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18.
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_______________ is the longest stage of the cell cycle when the chromatin is
spread out, proteins are made, DNA is copied and the cell grows.
a. | Anaphase | d. | Prophase | b. | Telophase | e. | Cytokinesis | c. | Interphase | f. | Metaphase |
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19.
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In which of the following stages are the chromosomes beginning to be pulled to
opposite sides of the cell by the spindle fibers?
a. | anaphase | d. | prophase | b. | metaphase | e. | telophase | c. | interphase | f. | cytokinesis |
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20.
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Any substance that can cause cancer is called a;
a. | harmful | c. | carcinogen | b. | poison | d. | mutagen |
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21.
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In ____________ the chromosomes line up in the middle of the cell.
a. | nterphase | d. | anaphase | b. | metaphase | e. | telophase | c. | prophase | f. | cytokinesisi |
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22.
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The division of the nucleus is completed during __________________ when the
chromosomes arrive at opposite sides of the cell and the chromosomes begin to unwind.
a. | cytokinesis | d. | telophase | b. | prophase | e. | metaphase | c. | interphase | f. | anaphase |
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23.
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Which of the following is the shortest period of the cell cycle?
a. | Mitosis | c. | Meiosis | b. | Cytokinesis | d. | Interphase |
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24.
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During ____________________ of the cell cycle, the cytoplasm and cell membrane
split completing the creation of two new cells from an existing cell
a. | telophase | d. | metaphase | b. | prophase | e. | anaphase | c. | cytokinesis | f. | interphase |
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25.
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You put a cell in a solution and it swells until it bursts. What type of
solution is it?
a. | none of these | c. | Isotonic | b. | Hypotonic | d. | Hypertonic |
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26.
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The stage of mitosis that the chromosomes condense, the nuclear membrane
disappears and the centrioles migrate to opposite sides of the cell is:
a. | Cytokinesis | d. | Anaphase | b. | Telophase | e. | Metaphase | c. | Interphase | f. | Prophase |
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27.
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Which of the following is not a method of active transport?
a. | exocytosis | c. | all of these | b. | endocytosis | d. | facilitated
diffusion |
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