Multiple choice Which of the following pairs is mismatched? Sydney Brenner - work on messenger RNA as site of protein synthesis Paul Berg - recombinant DNA technology Stanley Prusiner - discovery and characterisation of prions Sidney Altman and Thomas Cech - action of restriction enzymes to splice foreign components into DNA Kary Mullis - polymerase chain reaction Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Nobel Prize for catalytic properties of RNA was awarded to Sidney Altman and Thomas Cech.