Virus vs Bacteria

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Questions and Answers

True or false: Bacteria can only reproduce by entering a living cell.

False (B)

Which of the following is true about viruses?

  • They are unicellular organisms.
  • They can reproduce outside of a living cell.
  • They are combated by antibiotics.
  • They are made up of nucleic acid and protein. (correct)

The human body combats viruses by producing an antiviral protein, ______.

interferon

True or false: Antiviral drugs are easy to develop and widely available.

<p>False (B)</p> Signup and view all the answers

How do retroviruses differ from other viruses?

<p>They have a DNA genome (D)</p> Signup and view all the answers

Bacteria consist of a circular DNA molecule surrounded by cytoplasm, plasmatic membrane, and a ______.

<p>cell wall</p> Signup and view all the answers

Which of the following is true about bacteria?

<p>They can have various forms and sizes. (A)</p> Signup and view all the answers

Drugs to fight viruses are ______ to develop.

<p>difficult</p> Signup and view all the answers

True or false: All viruses damage the organism they infect by producing other viruses.

<p>True (A)</p> Signup and view all the answers

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Study Notes

Virus:

  • A virus is an infective and disease producing agent made up of nucleic acid enclosed in a protein covering.
  • Viruses can only reproduce by entering a living cell.
  • The human body combats viruses by producing an antiviral protein, interferon.
  • Retroviruses have an RNA genome and can produce DNA from this RNA.
  • Drugs to fight viruses are difficult to develop.
  • Some viruses gradually develop resistance to antiviral drugs.
  • Viruses damage the organism by producing other viruses. Bacteria:
  • Bacteria are unicellular organisms that can have various forms and sizes.
  • Bacteria consist of a circular DNA molecule surrounded by cytoplasm, plasmatic membrane, and a cell wall.
  • Bacteria can reproduce in two different ways: simple binary division and gemmation.
  • Bacteria can be dangerous/harmful/lethal or helpful/useful/harmless.

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