Q$2\mathrm{.}2-$ Using Table $4\mathrm{.}3$ in the textbook $($pg$.174$ in the e$-$book$),$ list the amino acids that will carry a net charge at $pH7$ within a protein. What is the charge at $pH7$ for each of the amino acids you have listed $,$ etc.$)?$ What is the net charge at pH $7$ of the tetrapeptide shown in figure $4\mathrm{.}17$ in the textbook $($pg$.178$ in the e$-$book$)?$