1.2 Ultrastructure of Cells

Essential Biology Prokaryotes & Eukaryotes


BioCoach Cell Structure and Function topic

The Biology Project Cell Biology page

Wiley Science tutorial (Flash)

Bacterial growth populations from umich.edu

And here’s a nice timelapse of bacterial growth:

Here’s a story of a giant bacterium, from NotExactlyRocketScience

MrT’s terrible pun:

If you get salmonella from a 3 day-old bacon sandwich, does that mean you’ve contracted a porkaryote?


Here’s a quick clip from the BBC Cell series on Robert Brown’s discovery of the nucleus:

Don’t forget the great resources at Learn.Genetics.


Crash Course Biology: Animal Cells, by Hank

Crash Course Biology: Plant Cells, by Hank



Cell structures histology (microscope images) collection.

Cell structures histology collection. This is the liver cell ultrastructure. From http://www.udel.edu/biology/Wags/histopage/histopage.htm


Finally: This is an inspirational TED Talk: The Lifesaver Bottle

Michael Pritchard’s LifeSaver bottle is a solution to clean water needs. For just $150, it can filter even the dirtiest water, in remote areas, or following disasters such as the Haiti quakes. Spurred on by the problems following the Asian tsunami and Hurricane Katrina, see Pritchard demonstrate the technology at TED 2009:

  1. Hi, I’m a student in an international school in Bangkok and I would like to thank you for all the resources! I just started studying for IB Biology HL in Year 13 as a 7th subject because I need all 3 sciences for medicine in India… As I am doing Physics and Chemistry HL as part of my diploma, I need to self-study for Biology and I’ve never come across such a useful website! I really love your Essential Biology worksheets!

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