Behavior of Nucleic AcidsDNA Condensation. Victor Bloomfield. DNA molecules are often considerably longer than the largest dimension of the cell and must thus condense into compact structures within the chromosomes of cells. Previously published in the Biophysics Textbook Online (BTOL).
http://www.biophysics.org/education/bloomfield.pdfCircular DNA. Alexander Vologodskii. Some DNA molecules form closed circular structures that exhibit complex behavior related to variations in extent of internal twisting present in the molecules. Previously published in the Biophysics Textbook Online (BTOL).
http://www.biophysics.org/education/vologodskii.pdf