AQA Biology GCSE : pathogens
pathogens and immunity
- Created by: tom
- Created on: 03-05-10 10:11
Other questions in this quiz
2. Which type of pathogen releases toxins
- Virus'
- Bacteria
3. Why are Virus' not considered to be alive?
- they do not need minerals
- they can only live on other organisms cells
- they cannot reproduce inside the body
- they are made of a protein coat
4. which of these is not a way in which your body prevents microbes from entering your body?
- you can close your mouth to prevent microbes entering
- mucus in your lungs catches and consumes them
- You have skin
- platelets in your blood clot blood when you bleed
- your stomach acid digests them in your stomach
5. What is an antibody
- a type of toxin released by virus'
- the plural of antigen
- something to neutralize toxins produced by white blood cells which relieves symptoms
- something produced by white blood cells which attatch onto bacteria and kill them
- small bits on bacteria which identify them
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