: Found in Paragraph E, lines 5–7 . Describes the vast number of ways amino acids can be arranged (e.g.,
“In 2010, a team at the University of Nottingham reported that bumblebees could be trained to roll a ball to a goal for a sugar reward – a task far from their natural foraging behavior. This sparked a buzz in the world of chemistry, not biology, because the underlying neural mechanisms involve dopamine and octopamine, chemicals also central to reward systems in humans.” : Found in Paragraph E, lines 5–7
: Found in Paragraph D, line 1 , where it describes combinatorial chemistry as a "branch" or "offshoot" of synthetic organic chemistry. : Found in Paragraph E