Mitochondrial Help

I need help, i am spost to be modeling a mitochondria for a presenrarion, but i specialise in phisics, And Knowing sod all about biology, and being brittish cannot push myself to ask for help, so, does anyone know what one looks like, because i have done an image search and theres loads of results none the same!

Please Help!!!

This is what I remember it to look like from my Biology courses:

http://en.wikipedia.org/wiki/Mitochondria -
there’s even a cool model pic there

Thank you both ever so much, ill post a blend for you when i finnish!