Homework: The above sketch of the Watson-Crick model of DNA was
included in a 1953 letter from James Watson to his teacher,
Max Delbrück.
1. Print a
copy of the sketch. Using it as a model, draw a pair of accurate models of the T / A and C / G pairs:
label carbon, nitrogen & oxygen atoms,
identify single- and
double-bonds, etc.
2. Watson's
sketch contains at least one fundamental error: identify and correct it.