AS AQA Biology Unit 1 Chapter 1 Revision Questions

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  • Created on: 20-02-12 21:29

U1 Ch1: Causes of Disease

 Q-What is the term given for microorganisms that cause disease & name an example ?
A-Pathogens,(bacteria/fungi/virus)
 
Q-For a microorganism to be considered a pathogen, what must it do ?
A-The microorganism must : gain entry to host; colonise tissues of host; resist defences of host; cause damage to host tissues
 
Q-what is an interface & name an example ?
A-microorganisms must enter through an interface,this is a boundary linking 2 systems,the body and the environment. these may include (skin,digestive,gas-exchange,reproductive etc.)

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