One of the 20 amino acids that make up proteins. Its amino group and the 3rd carbon atom of the side chain form a ring.
The oil industry is able to meet the world’s growing need for fuel by a process called cracking.
One of the twenty protein-building amino acids.
Examining the colour of a piece of copper when exposed to heat and then ethanol vapour.
The simplest aromatic amine. Its scientific name is phenylamine.
A heterocyclic organic compound, its derivatives are thymine, cytosine and uracil.
One of the 20 amino acids that make up proteins.
Crystalline allotrope of elemental carbon, the hardest known natural substance.
The monomer of polypropylene.