(Solved): complete questions 1-3 1. Draw the condensed structural formulas of the following di- and tripeptide ...

1. Draw the condensed structural formulas of the following di- and tripeptides: (10pts) - Val-Gly - Cys-Ser - Val-Ser-Gly 2. Identify whether each of following statements describes the primary, secondary, tertiary, or quaternary protein structure: a) The order of amino acids, which are linked by peptide bonds. b) Hydrogen bonding occurs between \( \mathrm{C}=\mathrm{O} \) and \( \mathrm{N}-\mathrm{H} \) within a peptide chain. c) Hydrogen bonding forms an alpha (a)-helix. d) Hydrogen bonds between protein chains form a pleated-sheet structure. e) A disulfide bond joining distant parts of a polypeptide chain. f) Hydrophilic side groups of a polypeptide chain seeking contact with water. g) The combination of four protein subunits. (14pts) 3. What structural level of a protein is affected by hydrolysis? Explain. (3pts)