Draw one possible dipeptide that is formed between alanine and leucine, as the zwitterion. Select Draw Templates с HN о 46 H₂C | More CH, NH, H 3 CH3 If leucine is the C-terminal amino acid, what is the full name of the dipeptide? Do not use abbreviations. full name: Erase Q2 Q Draw one of the possible dipeptides that could be formed between serine and lysine. Add charges to ionizable groups that would be present at neutral pH. Incorrect H₂C - ― c N H₂C OH H₂C - NH, If serine is the C-terminal amino acid, what is the full name of the dipeptide? Do not use abbreviations. full name: lysylserine

22-48 How many amino acid residues in the A chain of insulin are the same in insulin from humans, cattle (bovine), hogs, and sheep?

22-6 The members of which class of proteins are insoluble in water and can serve as structural materials?

22-89 What kind of noncovalent interaction occurs between the following amino acids? (a) Valine and isoleucine (b) Glutamic acid and lysine (c) Tyrosine and threonine (d) Alanine and alanine

Complete degradation of a protein into individual amino acids involves choose all that are correct: a. Removal of a water molecule from between two amino acids b. Addition of a water molecule between two amino acids c. A hydrolysis reaction d. The breaking of peptide linkage

22-91 Which amino acid does not rotate the plane of polarized light?

Draw zwitterion forms of these amino acids. (a) Valine (b) Phenylalanine (c) Glutamine

22-29 Draw the structure of a tripeptide made of threomne, arginine, and methionine.

How many different primary structures are possible for a four-amino-acid segment of a protein if the segment contains a. three glycine units and one alanine unit b. one glycine, one alanine, one valine, and one cysteine unit

For the tripeptide SerArgIle which amino acid residues a. are hydrophilic b. are hydrophobic c. possess polar neutral R groups d. participate in two amide linkages