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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Selective premeability refers to the cell membrane’s ability to allow some
substances to cross the membrane but not others.
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2.
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Homeostasis is maintaining balance in a biological system.
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3.
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A compound light microscope has only one lense to magnify the image.
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4.
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Anton Van Leeuwenhoek was the first person to observe dead cells in the
microscope.
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5.
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An SEM uses a beam of electrons to magnify the surface of an object many
thousands of time.
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6.
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The cell membrane is made of weird molecules called phospholipids that are
hydrophobic on one end and hydrophillic on the other end..
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7.
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The basic unit of life is a molecule.
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8.
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Robert Hooke was a British scientist that gave cells their names.
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9.
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Any organism that does not have membrane bound organelles is called a
eukaryote.
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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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10.
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Which of the following is not part of the cell theory?
a. | All living things are made of cells. | c. | The cell is the basic unit of
structure in an organism | b. | none of these | d. | All cells come from preexisting
cells. |
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11.
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Which of the following organelles can be linked to protein production in
some way?
a. | all can be linked | c. | nucleus | b. | ribosome | d. | nucleolus |
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12.
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Which of the following organisms is not a eukaryote?
a. | pine tree | c. | human | b. | streptococcus bacteria | d. | armadillo |
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Matching
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. You may use each choice more than once or not at all
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Match the following organelles with their functions below. a. | nucleus | h. | lysosome | b. | plasma membrane | i. | vacuole | c. | nucleolus | j. | golgi apparatus | d. | cell wall | k. | mitochondria | e. | cytoplasm | l. | chloroplasts | f. | endoplasmic reticulum | m. | cytoskeleton | g. | ribosome | n. | flagella |
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13.
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liquid inside the cell membrane that slowly transports substance
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14.
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plant cell structure that changes sunlight into energy that is able to be used
by the cell
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15.
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makes ribosomes
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16.
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modifies and packages materials
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17.
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single whiplike tail that cells use for movement
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18.
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gives plant cells a rigid structure and their shape
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19.
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support structure in cells that helps the cell to change shape and to give it
shape
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20.
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breaks down food to release energy for the cell to use
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21.
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makes proteins
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22.
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quick transport in the cell and place for ribosome attachment
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23.
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storage container
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24.
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vacuole with digestive enzymes that break down materials
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25.
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forms a boundary around the cell and controls what enters and leave the
cell
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26.
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controls all cell activities such as protein production.
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