Which of these amino acids is a basic amino acid? (Select all that apply, if necessary.) A. B. C. E. D. H₂ND-CH-C-00 H₂NDCH- ²-4-1-00 MOHLO -00 H₂N²-CH-_-_00 наодно воо -CH-C- -CH- CH₂ CH₂ CH₂ CH₂ CH₂ CH₂ CH₂ OH CH₂ C=0 NH NH₂ нало C=NH2 NH₂ amino acid E amino acid D amino acid A amino acid B amino acid C Oe CH-CH3 CH3 01C

Answer questions for the following monosaccharide: H-C-OH НО —с —н H C-OH d. Draw the product if it were oxidized ([O]). Draw entire product. H -C-OH e. Convert & draw the beta anomer (Haworth structure). CH2OH

1. The amino acid sequence for the protein lysozyme is given below. Estimate the isoelectric point for lysozyme protein. The pK, values are provided in Table 3.1. KVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNT DGSTDYGILQINSRWWCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKK IVSDGNGMNAWVAWRNRCKGTDVQAWIRGCRL Here's the sequence in this form: LYS VAL PHE GLY ARG CYS GLU LEU ALA ALA ALA MET LYS ARG HIS GLY Table 3.1 Typical pk, values of ionizable groups in proteins Group Acid Typical pK, Base Terminal a-carboxyl 3.1 group Aspartic acid Glutamic acid 4.1 N. Histidine 6.0 -N + H Terminal a-amino group 8.0 Cysteine 8.3 Тутosine 10.9 + H Lysine 10.8 H H. + N-H Arginine 12.5 N-H N-H Note: Values of pk, depend on temperature, ionic strength, and the microenvironment of the ionizable group. in

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