上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY Comparing and contrasting details of particular biochemical pathways in different organisms how biological challenges are solved at the biochemical level. In most cases,these challenges are addressed by the adaptation of existing macromolecules 物大分子适应性to new roles rather than by the evolution of entirely new ones. Structure FunctionComparing and contrasting details of particular biochemical pathways in different organisms • how biological challenges are solved at the biochemical level. • In most cases, these challenges are addressed by the adaptation of existing macromolecules 生 物大分子适应性 to new roles rather than by the evolution of entirely new ones. Structure & Function