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Question: question chapter 2 1 which isoform of amino acids is...

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Question chapter 2 1. Which isoform of amino acids is a constituent of proteins? a. Lisomer b. D isomer c. R isomer d. S isomer 2. For almost all amino acids the absolute configuration is: a. R b.S c. L d. D 3. What is the direction of the S configuration? 4. Amino acids exist predominantly in what form? a. Fully protonated b. Deprotonated c. Dipolar This predominant dipolar form is also called what? What is the pH range for an amino acid to predominantly exist as a zwitterion? 5. 6. a. 2-9 b. 6-8 c. 6.5-7.2 7. If pH is 3 what is [H1 and [OH 1? Write the formula? If the amino acid is fully protonated and the pH of solution begins to rise what will be the first group to give up its proton? 8. a. Carboxylic acid b. Amine c. R chain 9. Which set of amino acids are nonpolar? Proline, Phenylalanine, Glycine, Cysteine a. b. Methionine, Glycine, Tyrosine, Valine Tryptophan, leucine, Glycine, Valine c. Glycine, Cysteine, Proline, Valine 10. Which amino acids are basic? What is their charge? 11. Which amino acids are acidic? What is their charge? d.
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