19 The Form Of Dipeptide Aspatylserine Asp Ser

Question

19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid an…

19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid and serine, whose structures are shown here, is HiN-CH-C-0HIN-CH-C-0 CH2 CH OH aspartic acid serine A HN-CH-C-o-N-CH-C-o CH OH CH2 coo -(H-C-o-H-c-o CH OH CH2 HIN CH-C-N-CH-C-O CH OH CH H-CH-CH CH CH OH coo-
20) Where is the peptide bond located in this dipeptide? serine valine a) the CO-NH joining serine and the valine b) the doubly bonded oxygen just left of center between the amino acids e) the CH-CO on the top of the serine going to the right d) the NH CH between the serine and valine 21) What is the net charge on the oligopeptide in the figure shown here at pH 17 HN-CH-C-N-CH-C-N-CH-C-0 CH H C HCH COO HIN c) 2+ 4) 0 22) The structure of the dipeptide, Pbs-Gly, in a solution of pH 14 is b) c) 23) The sequence of the amino acids in a protcin is known as thestracture. b) secondary e) terciary 24) The e-belix ม.43-pleated sheet are bath forms erthe-structure of proteins b) secondary

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