What does nitrogen balance tell us$?$

Name $5$ high$-$quality PRO sources $($and the corresponding amounts$)$ to consume post$-$exercise for a $155$ pound person.

How much PRO should a $285lb.$ linemen have throughout the whole day $($show your work$)?$

How much PRO should a $165lb.$ casual gym$-$goer have throughout the whole day $($show your work$)?$

Which group of amino acids stimulate MPS the best? Why?

Is collagen a high$-$quality PRO for muscle protein synthesis? Why or why not?

You are a young $165-$pound vegetarian who is looking to build a nutrition meal after a tough workout. How much protein should you consume to guarantee maximal MPS$?$ Please provide an example meal $($list the foods and the amounts$)$ in order to satisfy this need. Show your work.