The plasma membrane is a barrier separating the cell from it's surroundings. Plasma membranes are semi-permeable, meaning that they allow…
Did you ever wonder how we can selectively breathe in oxygen and bring out carbon dioxide? Well, this is because…
7/21/2009 My wife is an amateur photographer and does a lot of outdoor, on location photography sessions and portraits. Since…
Heat transfer is an important concept in the world of physics and engineering. It is also at the same time…
Organisms evolved according to their environments and grew to be more and more complex over the course of evolution. This…
Of all the tricks in a cinematographer's toolkit, camera filters are probably one of the most commonly used. Mastery of…
What's the difference between cleaning air and purifying it? Way more than meets the senses. While air filtration is…
The purpose of this study is to see the effects of diffusion through a selectively permeable membrane when placed in…
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