Typical Length Scales in Biology microtubule DNA WIdth width typical animal cell length of DNA in a chromosome human 10 10 -5 10 10 1↑10mees histone chromatin nucleus proteins width length of DNA contained in typical human ce‖l Similar spectra exist in time scales or energy scalesTypical Length Scales in Biology 10-9 10-7 10-5 10-3 10-1 101 meters human typical animal cell nucleus DNA width microtubule width length of DNA contained in a typical human cell chromatin width histone proteins length of DNA in a chromosome Similar spectra exist in time scales or energy scales