True/False
Indicate whether the statement is true or
false.
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1.
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Active transport across the membrane requires ATP.
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2.
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Enzymes are not specific.
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3.
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Enzymes are proteins.
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4.
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The main fuel source for body cells is glucose.
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5.
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If a drug is fat-soluble, it may not dissolve easily in the blood.
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Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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6.
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Which of the following shows the levels of organization of the body
correctly?
a. | tissues, cells, organs, organ systems, organism | c. | organ systems, tissues, cells,
organs, organism | b. | organism, organs, tissues, organ systems, cells | d. | cells, tissues, organs, organ systems,
organism |
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7.
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Particles that dissolve in water may be:
a. | hydrophilic | c. | charged | b. | polar | d. | all of the
above |
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8.
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Which of the following is NOT a characteristic of water?
a. | makes an excellent solvent for polar or charged particles | d. | sticks to other
polar molecules | b. | is a polar molecule | e. | allows fat to dissolve easily in it | c. | is cohesive |
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9.
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Channel proteins that span the membrane:
a. | are examples of active transport | c. | prevent diffusion from
occurring | b. | allow diffusion to occur | d. | require ATP to move particles through the membrane |
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10.
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The substance of the cell between the cell membrane and the nucleus is
called:
a. | protein | c. | cytoplasm | b. | organelle | d. | all of the
above |
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11.
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Which of the following is NOT a function of the cell membrane?
a. | it forms a selectively permeable barrier around the cell | c. | it is the control
center of the cell | b. | it has receptors for chemical
messengers | d. | it contains
markers for self |
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12.
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The most basic unit of life is the:
a. | atom | c. | element | b. | molecule | d. | cell |
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13.
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The building blocks of proteins are:
a. | carbohydrates | c. | amino acids | b. | nitrogen | d. | nucleotides |
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14.
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Building muscle is an example of:
a. | hydrolysis | c. | anabolism | b. | catabolism | d. | glycolysis |
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15.
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Which of the following is NOT a major use for ATP in the cell?
a. | muscle contraction | c. | anabolism | b. | transport across the cell
membrane | d. | catabolism |
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16.
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The fluid surrounding cells in tissues is known as:
a. | extracellular fluid | c. | isotonic NaCl | b. | plasma | d. | intracellular
fluid |
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17.
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The disease caused by a chloride ion channel defect is:
a. | AIDS | d. | cystic fibrosis | b. | pulmonary hypertension | e. | hepatitis | c. | macular
degeneration |
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18.
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The sodium potassium pump is an example of this.
a. | active transport | c. | osmosis | b. | passive transport | d. | facilitated
diffusion |
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19.
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The waste product of aerobic production of ATP that must be excreted is:
a. | water | c. | oxygen | b. | carbon dioxide | d. | ATP |
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20.
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A molecule that binds to a receptor on the cell’s surface, causing a
change in that cell’s internal activity is called:
a. | an enzyme | c. | a chemical messenger | b. | a protein pump | d. | a substrate |
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21.
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Phospholipids:
a. | repel water | c. | are nonpolar | b. | have a polar and a nonpolar
region | d. | line up in cell
membranes with tails out and heads in |
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22.
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Enzymes are:
a. | carbohydrate molecules that speed up chemical reactions | c. | are protein
molecules that speed up chemical reactions with out being used up in the process | b. | are protein
molecules that contain a large amount of energy | d. | enter chemical reactions, speed up reactions,
and are consumed in the process |
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23.
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Which of the following is NOT a main tissue type in the body?
a. | epithelial | c. | retinal | b. | connective | d. | nervous |
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24.
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Diffusion through the cell membrane can occur through.
a. | phospholipid bilayer | c. | protein carriers | b. | protein channels | d. | all of the
above |
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Matching
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Match the organelles to their function. a. | protein synthesis | d. | packaging
proteins | b. | carbohydrate and lipid synthesis | e. | cell division | c. | intracellular
digestion |
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25.
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Golgi apparatus
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26.
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lysosomes
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27.
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centrioles
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28.
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rough endoplasmic reticulum
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29.
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smooth endoplasmic reticulum
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Short Answer
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30.
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A more general name for phagocytosis is:
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