Welcome to the International Home Care Nurses Organization. The International Home Care Nurses Organization is a world-wide network of nurses interested in promoting excellence in home-based healthcare throughout the world. We strive to achieve this goal through three initiatives:
The definition of a molecule is the smallest amount of something, particularly of a chemical substance, that can exist on its own. An example of a molecule are two atoms of hydrogen.
1 Molecule: a chemical structure that has two or more atoms held together by a chemical bond. Water is a molecule of two hydrogen atoms and one oxygen atom (H2O)...  Protein: a type of molecule found in the cells of living things, made up of special building blocks called amino acids.