Biological Molecules Nutrients. BIOLOGICAL MOLECULES NUTRIENTS NEED FOR FOOD Food is the source of energy and raw materials for raw organisms. Food substances contain a store of energy called Chemical energy.
'Shape Of Water' cast reacts to the film's creature Sally Hawkins, Octavia Spencer, Richard Jenkins, Doug Jones, Michael Shannon, and Michael Stuhlbarg tell CNN whether or not they would free the film's creature.
The shape of the water molecule. In the water molecule the oxygen atom is the central atom. It has four pairs of valence electrons surrounding it. Two of these pairs are shared which form the shared pairs form covalent bonds with the hydrogen atoms.