Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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1.
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Counts or measurements are examples of data produced by descriptive research.
_________________________
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2.
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In an
experiment, the control group is used to test the effect of the independent variable.
_________________________
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3.
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A
law is a possible explanation for a scientific question.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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4.
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Living things adjust to a stimulus by a reaction called a(n) _____. a. | environment | c. | homeostasis | b. | growth spurt | d. | response | | | | |
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5.
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All
living things _____ to make more living things. a. | reproduce | c. | grow | b. | develop | d. | adapt | | | | |
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6.
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The
information gathered from experiments is called _____. a. | the
data | c. | the
hypothesis | b. | the research | d. | the conclusion | | | | |
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7.
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A
structured procedure for collecting information to test a hypothesis is a(n) _____. a. | principle | c. | control | b. | theory | d. | experiment | | | | |
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8.
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The
part of an experiment in which all conditions are kept the same is the _____. a. | hypothesis | c. | conclusion | b. | control | d. | independent variable | | | | |
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9.
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Which
of the following results from quantitative analysis of Figure 1-6?
Figure 1-6 a. | the babies are cold | b. | there are 7
babies | c. | there isn’t enough food | d. | these are the
first babies this rabbit has had | | |
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10.
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Which
of the following compounds may be polymers? a. | carbohydrates | c. | proteins | b. | nucleic
acids | d. | all of
these | | | | |
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11.
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How
many electrons can a carbon atom share?
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12.
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The
nucleus of an atom contains _____. a. | protons and neutrons | c. | protons and electrons | b. | neutrons and
electrons | d. | protons,
neutrons, and electrons | | | | |
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13.
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What
are the basic building blocks of proteins? a. | nucleic acids | c. | amino acids | b. | peptide
bonds | d. | glycerol and
fatty acids | | | | |
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14.
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The
various enzymes in our bodies are _____. a. | lipids | c. | nucleotides | b. | carbohydrates | d. | proteins | | | | |
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15.
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An
unsaturated lipid contains _____. a. | more oxygen than hydrogen | c. | ionic bonds | b. | double
bonds | d. | only one fatty
acid | | | | |
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16.
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Unlike carbohydrates and fats, proteins contain _____. a. | nitrogen | c. | hydrogen | b. | carbon | d. | oxygen | | | | |
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17.
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Which
of the images in Figure 6-4 depicts dynamic equilibrium?
Figure 6-4
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18.
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Which
of the following organisms do not have cell walls? a. | plants | c. | bacteria | b. | fungi | d. | animals | | | | |
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19.
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Which
of the following is NOT true of plasma membranes? a. | Folded membranes increase surface area for
efficiency. | b. | Folded membranes do not form compartments in the
cell. | c. | Endoplasmic reticulum is made up of folded
membranes. | d. | Ribosomes are sometimes attached to folded
membranes. | | |
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20.
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All
living things are made up of _____. a. | cells | c. | wastes | b. | cork | d. | cellulose | | | | |
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21.
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Each
of the following is a main idea of the cell theory except _____. a. | all organisms
are composed of cells | b. | the cell is the basic unit of organization of
organisms | c. | all cells are similar in structure and
function | d. | all cells come from preexisting cells | | |
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22.
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If a
cell contains a nucleus, it must be a(n) _____. a. | plant cell | c. | animal cell | b. | eukaryotic
cell | d. | prokaryotic
cell | | | | |
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23.
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Because cells have a watery environment both inside and outside, the polar ends of the
phospholipids in the plasma membrane form ____ layers a. | several | c. | double | b. | mosaic | d. | single | | | | |
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24.
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The
fluid mosaic model describes a structure with ____. a. | polar layers on
the outside and nonpolar layer on the inside | b. | nonpolar layers
on the outside and a polar layer on the inside | c. | polar layers on
both inside and outside | d. | nonpolar layers on both inside and
outside | | |
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25.
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Because the phospholipid molecules and some proteins are free to move, the plasma
membrane is said to be a ____. a. | bilayer | c. | fluid mosaic | b. | solid | d. | fatty
acid | | | | |
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26.
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A
plasma membrane is made up of a(n) _____. a. | cholesterol layer | c. | lipid bilayer | b. | enzyme
bilayer | d. | protein
layer | | | | |
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Figure 7-6
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27.
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Which
structure in Figure 7-6 is responsible for chemical reactions?
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28.
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Water
moves into a cell placed in a(n) _____ solution. a. | osmotic | c. | hypotonic | b. | hypertonic | d. | isotonic | | | | |
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29.
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Water
moves out of a cell if the cell is placed in a(n) _____ solution. a. | hypertonic | c. | hypotonic | b. | isotonic | d. | passive | | | | |
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30.
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If
cells are placed in a strong sugar solution, water will _____. a. | pass from the
sugar solution to the cells | b. | pass from the cells to the sugar
solution | c. | stay in the cell | d. | pass back and
forth | | |
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31.
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Which
of the following is not a form of passive transport? a. | facilitated
diffusion | c. | facilitated
diffusion | b. | endocytosis | d. | osmosis | | | | |
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32.
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Which
conditions shown in Figure 8-4 might cause a cell to burst?
Figure 8-4
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33.
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What
cell process is responsible for the effect shown in Figure 8-5?
Figure 8-5 a. | active transport | c. | facilitated diffusion | b. | passive
transport | d. | osmosis | | | | |
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Matching
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Match each item with the correct statement below. a. | cellulose | e. | polymer | b. | polar molecule | f. | solution | c. | nucleus | g. | enzyme | d. | peptide bond | h. | metabolism | | | | |
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34.
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molecule with unequal distribution of charge
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35.
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protein that speeds up a chemical reaction
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Match each item with the correct statement below. a. | exocytosis | d. | isotonic
solution | b. | gene | e. | osmosis | c. | diffusion | f. | hypertonic
solution | | | | |
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36.
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movement of particles from an area of higher concentration to one of lower
concentration
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37.
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the
concentration of dissolved substances outside the cell is higher than the concentration inside the
cell
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38.
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the
concentration of dissolved substances in the solution is the same as the concentration of dissolved
substances inside the cell
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39.
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diffusion of water molecules through a selectively permeable membrane
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40.
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release of wastes or cell products from inside to outside a cell
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a. | plasma
membrane | g. | chloroplast | b. | Golgi apparatus | h. | lysosome
| c. | ribosome | i. | cytoplasm | d. | nucleus | j. | centriole | e. | endoplasmic reticulum | k. | nucleolus | f. | cell
wall | l. |
mitochondria | | | | |
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41.
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Which
structure is the control center of the cell?
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42.
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Which
structure provides extra support for plant cells?
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43.
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In which
structure is photosynthesis carried out?
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44.
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Which
structure is a passageway within the cell?
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45.
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Which
structure is a packaging plant for proteins of the cell?
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46.
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Which
structure produces proteins?
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47.
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Which
structure controls what goes in and out of the cell?
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48.
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In which
structure is glucose broken down to make ATP/cell energy?
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49.
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What
gel-like substance provides support for all the organelles?
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