Which of these is the strongest bond double covalent bond hydrogen bond single covalent bond The main component of the cytosol is ____. proteins salts water sugars Which of these molecules uses simple diffusion to pass through the lipid bilayer of the cell membrane? sodium water carbon dioxide glucose Osmosis is movement of a substance like potassium down its concentration gradient movement of water from an area of low H20 concentration to an area of high H20 concentration movement of water from an area of high H20 concentration to an area of low H20 concentration consumption of ATP Solution 1,The main component of cytosol is - ans-Water(about 70%) 2.which of these molecules uses simple difusion topass through the lipid bilayer of the cell membrane ans- Co2 3.osmosis is- ans-Movement of water from an area of high H2O concentration to an area of low H2O concentration (During osmosis,solvent moves through a semipermeable membrane from high solvent concentration to low solvent concentration.).