Science - Biology - Term 1

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  • Created by: mdanmaa
  • Created on: 10-10-22 20:26

1. Why does the immune system produce more antibodies after the second exposure?

  • the pathogen has become more immune to the antibody, so there needs to be more.
  • it already has the antibody's information stored in memory cells, so can make them quickly.
  • it is already sensitive to the pathogen so reacts with more antibodies.
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Other questions in this quiz

2. How do bacteria make us ill?

  • They release something
  • They release toxins
  • They absorb toxins
  • They consume (eat) toxins

3. How do viruses make us ill?

  • when a virus has copied itself so many times by infecting many cells and our body’s normal functioning changes
  • when a virus has copied itself, quite a number of times by infecting most of our cells and our body’s normal functioning changes
  • when a virus has copied itself a few times by infecting a few cells and our body’s normal functioning changes

4. 4. Name the four types of pathogens.

  • phagocytes
  • protists, fungi, virus and bacteria
  • virus and protists
  • fungi, protasts, bacteri,

5. What are the protein markers on the outside of pathogens called

  • antigens
  • pathogens
  • antibiotics
  • antibodies
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