Study

Viruses

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  • Which can recognize cells via proteins and receptors? Cells, Viruses or Both
    Both
  • Most of these can be seen with a light microscope: Cells, Viruses or Both
    Cells
  • How many micrometers is the Pithovirus Sibericum? 1.0, 1.5. 2.0 or 2.5?
    1.5
  • Can a virus contain both DNA or RNA? YES or NO
    YES
  • Which can reproduce on their own? Cells, Viruses, or Both
    Cells
  • Is this an image of a red blood cell or a human cheek cell?
    human cheek cell
  • Most viruses are much smaller than bacteria. TRUE or FALSE
    TRUE
  • Most viruses are much larger than bacteria. TRUE or FALSE
    FALSE
  • Which can produce their own proteins? Cells, Viruses or Both
    Cells
  • Which of the following is one of the seven processes that all living things carry out? Sensitivity or Sensation
    Sensitivity
  • Is this a salmonella bacterium or an adenovirus?
    adenovirus
  • Viruses can only infect humans. TRUE or FALSE
    FALSE
  • This is a protein coat that protects the genetic material: A Lipid Envelope or a Capsid
    Capsid
  • Viruses release toxins to damange host cells. TRUE or FALSE
    FALSE
  • These allow the capsid to attach to the lipid envelope: Enzymes or Matrix Proteins
    Matrix Proteins
  • These allow the virus to attach to the surface of a host cell: Enzymes or Glycoproteins
    Glycoproteins
  • The main genetic material in this can be RNA: Cell, Viruses or Both
    Viruses
  • Is this an image of mitochondrion or DNA?
    DNA
  • Why is the Pithovirus not a danger to humans?
    It cannot infect human cells
  • Viruses are cells. TRUE or FALSE
    FALSE
  • Viruses damage cells by destroying their cell membranes. TRUE or FALSE
    TRUE
  • Why may some people call the Pithovirus Sibericum a "zombie virus?" Because of its large size or because it is 30, 000 years old.
    Because it is 30, 000 years old.
  • All viruses have the same structure. TRUE or FALSE
    FALSE