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.
Water is classified as a polar molecule because of its polar covalent bonds and its bent shape 2, 3 ^{2,3} 2, 3 start superscript, 2, comma, 3, end superscript. Hydrogen bonding of water molecules Thanks to their polarity, water molecules happily attract each other.