as biology unit 1
- Created by: Hols_tsmith
- Created on: 03-01-14 14:20
Other questions in this quiz
2. 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
3. what is the name of any organism that causes disease
- microorganism
- virus
- pathogen
- bacteria
4. what 2 ways do pathogens cause disease
- damaging cells and invading them
- production of toxins and replicating inside cells
- production of toxins and cell damage
- blocking functions of cells and damaging cells
5. what are disadvantage of taking a vaccine orally
- it may be broken down by enzymes in the gut and it causes harm to the person
- 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
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