Home » Biology » Cells


Getting a grip on size and scale

The amazing cell and DNA size and scale app!

Cells – how big? from a hair down to a virus

Interactive scale of the Universe (No, really, the entire known scale!)

Numbersleuth magnifying the Universe

Powers of 10: Molecular Expressions from FSU

If the moon were only 1 pixel: A tediously accurate scale model of the solar system 😉

Nikon Universcale

Powers of Ten™ (1977) by Charles and Ray Eames

Pretty amazing, right? 🙂

The size of cells

Most cells are small – microscopic. But not all – nerve cells need to be long. How long?

Plant cells


Animal cells

Three-dimensional slice of a cell


Cell organelles

Cell membrane (Lipid bilayer)

cell membrane slideshare http://www.slideshare.net/uploadlessons/cell-membranes-26924443

antigens on cell membrane

Endoplasmic reticulum (ER) and the Golgi apparatus

Diffusion and Osmosis

Diffusion and Osmosis <- document

Membrane channel virtual lab


Serendip diffusion applet


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