Nitrogen Metabolism II: Degradation
Ubiquitination
https://www.youtube.com/watch?v=ypX3p-Xgm6c
Overview of Amino Acid Metabolism
https://www.youtube.com/watch?v=l0V-Xmps1mE
The Urea Cycle Part 1
https://www.youtube.com/watch?v=wyQABV1MEd4
The Urea Cycle Part 2
https://www.youtube.com/watch?v=7rtgP5QmIFw
Neurotransmitter Removal
https://www.youtube.com/watch?v=FO10z7FX13c
Autophagy
https://www.youtube.com/watch?v=H5LCHc7_i2I
Introduction To Glucogenic And Ketogenic Amino Acids
https://www.youtube.com/watch?v=p7Ss0yGf84U