I have a wanted poster to make on:

mad cow disease and I need to find a picture of bacterium or virus and
"label" the parts. I am having trouble finding a picture that labels parts. Can you help me with this?

2 answers

http://nsspo.com/p1/Bacteria.htm

http://classworkprojects.blogspot.com/2008/11/human-viruses.html
Mad Cow Disease is neither caused by a bacterium nor a virus. You should research prions.