The nucleus - containing protons and neutrons, and the outer 'shell' - containing orbiting electrons.
A group of atoms that act as a unit is called a molecule.
a molecule see http://en.wikipedia.org/wiki/Molecule
4 = Parts Molecule.
Molecule
A molecule, as in a molecule of water.
active sites
A molecule made of many repeating parts is known as a polymer.
two layers of phospholipids called the lipid bilayer
This is called the hydrophobic 'side' of the phospholipid molecule
hydrogen and oxygen in 2 : 1 ratio
You have a deoxyribose sugar, a nitrogenous base and a phosphate group making up a molecule of DNA.
The shape of the methane molecule is called a tetrahedron.
the nucleus
it contains the pigments.
A group of atoms that act as a unit is called a molecule.
A molecule whose ends have opposite electric charges is called a polar molecule.
Molecules are a form of compound, but yes depending on the molecule they can be broken down into other compounds.