Photo from:  http://202.114.65.51/fzjx/wsw/website/mit/cb/org/chloroplast.gif

• The fluid inside cells
• The part of cytosol that isn’ t held by any organelles in the cell
• Cytosol is made up of concentration gradients, protein complexes, protein compartments, and cytoskeletal sieving. 
• In cytosol, all the metabolic chemical reactions of the prokaryotes take place. 
• The important composition is a lot of water, dissolved ions, water soluble molecules, and smaller molecules and proteins. 
  
  Picture from: http://img.sparknotes.com/figures/D/d479f5da672c08a54f986ae699069d7a/cytosol.gif