Biochemistry 421 Question. Can someone just explain these slides and what all of this means? I missed it in lecture. We are on Ch.7 - Proteins pt. 1. Thank you!

pH Affects Amino Acid Structure Fvomnlo: I waino Linking Amino Acids Protein Sequences - Backbone of -carbons and amides - R groups emanating from -carbons - Protein sequence = primary structure Sequence: Ala-Cys-Lys-Tyr-His