Answer:
George's decision to kill Lennie is reminiscent of when Candy's old dog was killed. Whether or not it was justifiable is a matter of opinion, but George's intentions were not doubt pure. George knew that Lennie would no doubt have an awful life even if he wasn't caught, for at that time it was very difficult living with a mental handicap. George wanted Lennie to die while happy.
Enzymes are made from amino acids and they are proteins. When an enzyme is formed it is made by stringing together between 100 to 1000 amino acids in a very specific unique order.
Answer:
The irony is that after all the hard work of trying to get to the water source, the men realize it was all for nothing