The Molymod Biochemistry Student Set can be used to make quality colour-coded 3D models Designed to make most of the common structures necessary for the study of molecular biology.Atoms:12 x carbon (4 hole tetrahedral)9 x carbon (3 hole trigonal)11 x oxygen (2 hole angular)2 x oxygen (1 hole)3 x nitrogen (4 hole tetrahedral)6 x nitrogen (3 hole trigonal)2 x nitrogen (2 hole angular)1 x sulphur (2 hole angular)1 x phosphorus (4 hole tetrahedral)22 x hydrogen (1 hole)3 x hydrogen (2 hole angular)Bonds:40 medium grey