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just complete 8-10 please coo CH3 CH2 H CH H H HN-c-c-N-C-C-N-C-C-N-C-Coo H OH OH OH...

just complete 8-10 please
coo CH3 CH2 H CH H H HN-c-c-N-C-C-N-C-C-N-C-Coo H OH OH OH 1. How many amino acid residues are in this structure? 2. How many
coo CH3 CH2 H CH H H HN-c-c-N-C-C-N-C-C-N-C-Coo H OH OH OH 1. How many amino acid residues are in this structure? 2. How many peptide bonds are in this structure? 3. What is the name of the C terminal residue? 4. What is the one-letter abbreviation of the N-terminal residue? 5. What is the sequence, given in three-letter code, of this peptide? 6. Circle one peptide bond. 7. Circle one alpha-carbon. 8. What is the net charge on this molecule at pH 12? 9. Draw an amide plane on this peptide. 10. Labe the phi, psi and omega angles.
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Answer #1

8. At pH 12 the net charge of the polypeptide will be -3 because all the amine groups will be neutral, carboxylic and phenolic groups anionic.

9 and 10. the diagram below-

см3 е — не ен, Соо- 114 д it It но-о- ен, с.

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