Cell Transport. Modern Biology Chapter 5. Passive transport. Transport across a membrane without the expense of energy Video. Equilibrium. Equal concentration of molecules of a substance throughout a space All things move toward equilibrium unless energy is added. Diffusion.
Modern Biology Chapter 5
[solute] outside cell < [solute] inside cell
Water moves into cells
Cell explodesOsmotic pressure
Active TransportActive Transport
The origin of eukaryotic cells
The endosymbiont theory: Lynn Margulis
Stromatolites and their close cousins the thrombolites, are rock-like buildups of microbial mats that form in limestone- or dolostone-forming environments.