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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The
passive transport of material across a membrane by means of transport proteins is called
activated diffusion. ________________
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2.
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Endocytosis is a process by which a cell membrane surrounds and takes in
material from the environment. __________________
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3.
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In
passive transport, the movement of particles across a membrane requires energy.
__________________
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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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In
certain breeds of dogs such as the Mexican Hairless, having hair is the result of having two dominant
alleles for normal hair (NN). The heterozygous genotype (Nn) produces a dog with very little hair and
few teeth. Having two recessive (nn) genes results in a stillborn puppy.
Which Punnett square shows the correct results of a cross between two
heterozygous Mexican Hairless dogs?
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5.
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Use
the partial DNA fingerprints to answer the following question.
A veterinarian for a zoo wanted to determine the pedigree of a lion
cub born at the zoo. Four male adult lions had to be considered as possible sires of the cub. DNA
testing was conducted and partial DNA fingerprints are shown above. Based on this data, which male
lion most likely sired the cub? a. | Streak | c. | Wilbur | b. | Goldy | d. | Matt | | | | |
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6.
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Folded membranes are an advantage to a cell because _____. a. | cell processes
can be more efficient | b. | the membranes provide a large surface
area | c. | the membranes
form interconnected compartments | d. | all of these | | |
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7.
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In a
typical animal cell, the cytoplasm occupies _____. a. | almost all the
volume | c. | one quarter of
the volume | b. | a little more than half the
volume | d. | a small part of
the volume | | | | |
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8.
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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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9.
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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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10.
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A
cell moves particles from a region of lesser concentration to a region of greater concentration by
_____. a. | facilitated
diffusion | c. | osmosis | b. | passive transport | d. | active transport | | | | |
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11.
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Organisms need a way of storing energy because _____. a. | a cell can't
always immediately use all the energy it gets | b. | an organism
often has times when no energy is used | c. | a cell can release only stored energy | d. | a cell cannot
create energy and must get it from elsewhere in the organism | | |
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12.
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Which
of the following equations best represents photosynthesis? a. | C +
O2 + H2O ® CO2 + HOH | c. | 6C + 6H2O ®
C6H12O6 | b. | 6CO2 + 6H2O ®
C6H12O6 + 6O2 | d. | C6H12O6 ® 6CO2
+ 6H2O | | | | |
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13.
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The
energy in glucose cannot be released by _____. a. | glycolysis | c. | respiration | b. | burning | d. | photosynthesis | | | | |
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14.
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Refer
to Figure 14-1. If individual III-2 marries a person with the same genotype as individual I-1, what
is the chance that one of their children will be afflicted with hemophilia?
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15.
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Two
healthy parents produce a child with the genetic disorder of cystic fibrosis, which is the result of
a recessive gene. What would be the best explanation for this inheritance? a. | This is not the
result of a genetic disorder. | b. | Both parents carried the recessive gene for cystic
fibrosis. | c. | Cystic fibrosis is a chromosomal mutation that occurred during
development and is not related to the parental genotypes. | d. | Cystic fibrosis
is caused by a mutation in the 21st pair of chromosomes. | | |
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16.
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Cystic fibrosis, sickle-cell anemia, and Tay-Sachs disease are typical of recessive
disorders concentrated in _____. a. | ethnic groups | c. | countries with hot, wet climates | b. | families with a
single child | d. | the United
States | | | | |
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17.
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Most
human genetic disorders are caused by the expression of _____. a. | recessive
alleles | c. | one dominant
allele | b. | two dominant alleles | d. | sex-linked heredity | | | | |
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18.
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Which
of the following genetic disorders can be detected by karyotyping? a. | Down syndrome
and Turner syndrome | b. | Tay-Sachs disease and PKU | c. | hemophilia and
cystic fibrosis | d. | Klinefelter syndrome and sickle-cell
anemia | | |
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19.
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Both
hemophilia and red-green color blindness are _____. a. | inherited only
from the mother | c. | caused by a
dominant gene | b. | located on the Y chromosome | d. | sex-linked conditions | | | | |
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20.
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Sickle-cell anemia is a genetic disease common to human populations from Africa and
the Mediterranean coast. The incidence is greater in these regions than elsewhere because the
heterozygous state provides protection against malaria. Individuals afflicted with sickle-cell anemia
_____. a. | are two times
more likely to be males than to be females | b. | will not exhibit the symptoms of the disease until around age
40 | c. | suffer tissue
damage resulting from oxygen deprivation | d. | lack an enzyme that breaks down a lipid produced in the central
nervous system | | |
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21.
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Which of the
following pairs of terms are NOT related? a. | nucleus–RNA | c. | chloroplasts–chlorophyll | b. | flagella–cilia | d. | nucleus–cell wall | | | | |
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22.
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Which of the
following analogies is true? a. | The copy of the DNA is like a blueprint of the RNA
code. | b. | DNA is like workers on an assembly line. | c. | Nucleotides are the
building blocks of nitrogen bases. | d. | The structure of DNA can be compared to a twisted
ladder. | | |
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23.
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Which of the
following bases pairs with adenine in RNA? a. | thymine | c. | uracil | b. | guanine | d. |
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