SECTION D LONG ANSWER QUESTIONS (Total Marks for Section D: 48) Write answers to ALL questions in Section D in the separate 12-page examination booklet provided. Question 1 Three main mechanisms for genetic exchange are known in prokaryotes: transformation, transduction and conjugation. Contrast how DNA is transferred in each of these processes, including discussion of any genetic elements/agents involved (9 marks). Describe one example of how genetic exchangè can modify a bacterial genome including the possible consequences of this modification for the bacterial cell (3 marks).