Search found 2 matches

by Scotsgofree
Sat Oct 25, 2014 3:10 pm
Forum: Cell Biology
Topic: Diffusion and Fick's law
Replies: 1
Views: 4658

Diffusion and Fick's law

Fick's law has it that the rate of diffusion of substance A into substance B within a system increases proportionally as the area of the exchange surface increases and as the concentration gradient increases, and inversely as the distance of the diffusion pathway increases. All this is tied together...
by Scotsgofree
Fri Sep 19, 2014 7:54 pm
Forum: Microbiology
Topic: Multicellular prokaryote
Replies: 28
Views: 73613

I would tentatively suggest the answer to this question is probably no because the history of all life on Earth is almost entirely about the history of prokaryotic life, and in all the billions of years prokaryotes ruled the Earth to the exclusion of all other forms of life they had ample opportunit...