Other questions in this quiz

2. what are antigens

  • monosaccharides
  • molecules found in cells
  • molecules found on the surface of cells
  • antibodies

3. what are disadvantage of taking a vaccine orally

  • could be broken down by enzymes in the gut or the molecules are too big to be aborbed into the blood
  • booster vaccines are needed and theres a less chance of it working
  • it may be broken down by enzymes in the gut and it causes harm to the person

4. what is an ethical issue on vaccines

  • vaccines are really harmful
  • vaccines can cause diseases
  • they are tested on animals first
  • they are tested on humans first

5. what is antigenic variation

  • flu
  • vaccine
  • when pathogens change their surface antigens
  • when pathogens change their surface antibodies

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