What is Exotoxin?
An '''exotoxin''' is a [[poison]] secreted by [[bacteria]].<ref>{{cite book |last1=Ryan |first1=Kenneth |last2=Ray |first2=C. George |last3=Ahmad |first3=Nafees |last4=Drew |first4=W. Lawrence |last5=Plorde |first5=James |title=Sherris medical microbiology |date=11 January 2010 |publisher=McGraw Hill Medical |location=New York |isbn=978-0-07-160402-4 |edition=5th |url=https://books.google.com/books?id=tq9WzgEACAAJ |language=en}}</ref> An exotoxin can hurt a [[organism|living creature]] by destroying cells or changing the way that cells work. They are very strong and can cause major damage. ==References== {{reflist}} {{Toxins}} {{biology-stub}} [[Category:Microbiology]] [[Category:Toxicology]]