in Nucleic Acids by

1 Answer

0 votes

Rosalind Franklin obtained superior X-ray diffraction photographs of DNA. His photographs concluded:

  1. DNA polynucleotide chain has the form of regular helix.
  2. The helix has a diameter of about 20 Å.
  3. The helix makes one complete turn every 34 Å along its length.
  4. The internucleotide distance is 3.4 Å.
Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.