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5 questions
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  • Q1
    Hepatitis B is a viral disease that attacks cells in the liver. When should a person receive a vaccination against hepatitis B?
    after being diagnosed with the disease
    never; the overuse of vaccines has lead to viral resistance
    before being exposed to the virus
    as soon as viral symptoms begin to appear
    45s
    BIOL.4c
  • Q2
    The main reason that viruses are not considered to be living things is because —
    they do not contain any nucleic acids
    they are not affected by antibiotics
    they cannot reproduce on their own
    they do not contain a nucleus
    45s
    BIOL.4c
  • Q3
    A photograph of a virus is shown. The projections on the surface of the virus allow the virus to -
    Question Image
    Control a host cell's DNA
    signal other viruses to infect a host
    attach to the host cell
    move inside a host cell
    45s
    BIOL.4c
  • Q4
    Models of the human immunodeficiency virus (HIV) and an animal cell are shown. What is the difference in the function of the glycoprotein structures of an HIV virion and the cilia of an animal cell?
    Question Image
    The glycoprotein structures are used for defense, and the cilia are used for locomotion
    The glycoprotein structures are used to obtain nutrition, and the cilia are used to secrete proteins
    The glycoprotein structures are used to provide physical support for the viral envelope, and the cilia strengthen the cell membrane.
    The glycoprotein structures are used for attachment, and the cilia are used to move fluids surrounding the cell.
    45s
    BIOL.4c
  • Q5
    The picture shows a 3-D model of a virus called a bacteriophage. Bacteriophages can infect bacteria such as E. coli. In what way are the bacteriophage and E. coli alike?
    Question Image
    They lack membrane-bound organelles
    They contain antibodies
    They reproduce by mitosis
    They have identical genomes
    45s
    BIOL.4c

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