DNA molecular model kit, USA, 1986.
1986
DNA gel electrophoresis equipment for use in schools, 1993.
1994
Flasks of laboratory-grown skin
1993
Ball and spoke model of DNA.
Ball and spoke model of DNA.
DNA gel electrophoresis equipment for use in schools, 1993.
1994
DNA gel electrophoresis equipment for use in schools, 1993.
1994