n.生物合成
Two mutually exclusive pathways of lysine biosynthesis have been established. 现已确定赖氨酸的生物合成有两条相互独立的途径。
Transamination is a key step in the biosynthesis and breakdown of most amino acids. 转氨作用是大多数氨基酸生物合成或降解中的关键反应步骤。
