Dear colleagues, I am working on the course of basic Physical Biochemistry; amino acids (neutral, polar and charged); formation of polypeptide, alfa helixes and beta strands, secondary, tertiary and quaternary structures; bases and DNA; role of the hydrogen and sulfide bonds, etc. Could you, please, recommend me some Internet resources? Thank you in advance, Solomon _______________________________________ Dr. Solomon S. Stavrov Sackler Institute of Molecular Medicine Department of Human Genetics and Molecular Medicine Sackler Faculty of Medicine Tel Aviv University Ramat Aviv Tel Aviv 69978 Israel Telephone: (972 3) 640 9859 FAX: (972 3) 640 5168 E-mail: stavrov at post.tau.ac.il