LAST MINUTE STUDYING FOR BIOLOGY

Can someone PLEASE help me. I havea fucking exam which is 70% of my course in 3hours time. And im leaving in 2 and a half hours.

Ive gotta get the jist of:
fermentation
gm insulin
genomics
genomic medicine
medicinal plants
aspirin and quinine
artemisinn and taxol
stem cell research
ethics in general


Can someone point me in the right direction? Im shitting brix...

let me summarize all you need to know about ethics.:
When deciding what is most ethical, weigh all possible options according to how much each will do what is in the overall greatest good (maximizing pleasure / minimizing pain) for the most people over the longest time with the probability of that option succeeding.