أرسل هذا في رسالة قصيرة: Two distinct overstretched DNA structures revealed by single-molecule thermodynamics measurements

  ______   __   __   _    _    _    _     ____    
 /_   _//  \ \\/ // | \  / || | || | ||  |  _ \\  
 `-| |,-    \ ` //  |  \/  || | || | ||  | |_| || 
   | ||      | ||   | .  . || | \\_/ ||  | .  //  
   |_||      |_||   |_|\/|_||  \____//   |_|\_\\  
   `-`'      `-`'   `-`  `-`    `---`    `-` --`