In this video, you will learn about the "nitrogen or amino acid pool", It is a grand mixture of amino acids available in the cell derived from dietary sources or the degradation of protein. Since proteins and amino acids are not stored in the body, there is a constant turnover of protein. The video is short and covers some basic concepts. TIMELINE: 0:01 Introduction 0:15 Amino acid pool 0:39 How much is amino acid pool 1:01 How is the amino acid pool maintained? 1:26 Sources and utilization of amino acids 2:37 Amino acid uptake and amino acid loss 3:25 End