The membrane is selectively permeable because substances do not cross it indiscriminately. Some molecules, such as hydrocarbons and oxygen can cross the membrane. Many large molecules (such as glucose and other sugars) cannot. Water can pass through between the lipids.
If a solution process is exothermic, the energy required for dissolving the solute compare with the energy released is that, the energy requiredis less than the energy released. When we sayexothermic, heat is evolved. On the other hand,when heat is absorbed, this is called endothermic.
I would have to say A. ribosomes are known to break and release their digestive juices into the cell upon cell death. thus killing them
Or <span>The average density of the boat, including the steel and air, is less dense than 1.00 g/cm³..</span>
Baking soda needs to be added for the yeast to rise up