Advertisement Upgrade to remove ads


are prokaryotic, have no nuclei and different to animal cells


are eukaryotic, consist of yeast (unicellular) moulds (multicellular)


Helminthes- Protozoa- Some large - eggs microscopic- some small are_____


Very small- Very simple- Not "life" are


Protein- Smaller and simpler than viruses- Responsible for CJD / mad cow disease / kuru- Spongiform encephalitis

Antoni Van Leeuwenhoek (1673)

I have sometimes seen animalcules a-moving prettily


Name a new emerging pathogen

Hand washing

Ignaz Semmeiweis is famous in infection control for doing what?

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording