True/False
Indicate whether the statement is true or
false.
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1.
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The copying of DNA into an RNA strand during protein synthesis is called
translation.
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2.
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Mature red blood cells don't have a nucleus.
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3.
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The Y chromosome is associated with being male.
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4.
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Proteins produced in a cell that are destined for export from the cell are
packaged in the Golgi Apparatus.
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5.
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Reverse transcriptase inhibitors work by stopping the manufactured viral
proteins from assembling into new viruses.
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6.
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One consequence of inadequate albumin production by the liver is edema.
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Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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7.
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DNA and RNA are composed of chains of:
a. | amino acids | c. | nucleotides | b. | monosaccharides | d. | fatty acids |
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8.
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The "words" of the genetic code, each of which code for an amino acid,
are:
a. | single nucleotides | c. | three nucleotide sequences | b. | two nucleotides
sequences | d. | nucleotide
sequences of various lengths |
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9.
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The number of circulating red blood cells is approximately:
a. | 5 million/mm3 | c. | 3,000/mm3 | b. | 2 million/mm3 | d. | 9,000/mm3 |
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10.
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What is a major function of platelets?
a. | maintenance of blood pH | c. | production of blood
cells | b. | water balance between plasma and tissues | d. | promotion of blood
clotting |
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11.
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Each hemoglobin contains an iron-containing pigment called:
a. | ferrin | c. | heme | b. | globin | d. | globulin |
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12.
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Which of the following blood components has an immune function?
a. | albumin | c. | antibodies | b. | hemoglobin | d. | lipoproteins |
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13.
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Which of the following describes the flow of information during protein
synthesis?
a. | DNA to RNA to DNA | c. | RNA to DNA to protein | b. | DNA to RNA to
protein | d. | protein to DNA to
RNA |
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14.
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The site of translation in the cell is:
a. | mitochondrion | c. | ribosome | b. | nucleus | d. | tRNA |
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15.
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The complementary DNA nucleotide for adenine is:
a. | cytosine | c. | thymine | b. | adenine | d. | guanine |
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16.
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In the viral lifecycle of HIV, the virus enters the host cell by:
a. | diffusion through the phospholipid bilayer | c. | exocytosis | b. | injection of its
nucleic acids into the cytoplasm | d. | endocytosis |
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17.
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What is another name for red blood cell?
a. | lymphocyte | c. | melanocyte | b. | leukocyte | d. | erythrocyte |
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Matching
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Use the following descriptions to the protein class they describe. a. | use lock and key model to bind their substrates or ligands | d. | allows membrane
transport | b. | carries oxygen | e. | found in tissues of the body helping with support and structure | c. | catalyzes
reactions |
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18.
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receptors
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19.
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enzymes
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20.
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structural proteins
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21.
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hemoglobin
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22.
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carrier proteins
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Match the following to the organ system they describe. a. | provides oxygen to the blood and a way to get rid of carbon dioxide | c. | contains the liver,
maker of important blood proteins | b. | contains bone marrow, the source of all blood
cells | d. | excretes wastes by
filtering blood and processing the filtrate |
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23.
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respiratory
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24.
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digestive
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25.
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skeletal
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26.
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urinary
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