Question: 1. Which amino acid has a basic R group at neutral pH? a. Glutamic Acid b. Histidine c. Isoleucine d. Serine e. Tyrosine 2. Which

1. Which amino acid has a basic R group at neutral pH? a. Glutamic Acid b. Histidine c. Isoleucine d. Serine e. Tyrosine 2. Which amino acid has a benzene-like ring? u. Glutamic Acid b. Histidine c. Isoleucine d. Serine e. Tyrosine 3. Which amino acid takes on a negative charge when the R-group loses a proton? a. Glutamic Acid b. Histidine c. Glutamic Acid and Histidine d. Tyrosine e. Glutamic Acid and Tyrosine 4. Which amino acid has a polar. non-ionic R-group a. Glutamic Acid b. Histidine c. Tsoleucine E Serine e. Tyrosine 5. Which amino acid has an R-group which contains only C and H ? a. Glutamic Acid b. Histidin c. Isoleucine d. Serne c. Tyrosine 6. Which amino acid would be most water-soluble at pH=7.0 ? a. Glutamic Acid b. Histidine c. Isoleucine d. Serine e. Iyrosine 7. Which amino acid would likely be least water-soluble at pH 7.0 a. Histidine b. Isoleucine c. Isoleucine or Tyrosine. you cannot tell d. Serine e. Iyrosine S. Which statement is incorrect about the classification of amino acids? a. Alanine and vaine are neutral amino acids. b. Lysine and arginine are basie amino acids. c. Gluatic uctd and asparagne are acidic amano acids. d. Tryptophan and phenylalanine are aromatic umino acids. e. Methionine and cysteine are sulfir-sontuning amino dcids. 9. Whtoh amino weids xould migrele furthest toward the cathode (negative electrode) during electrophoresis? a. Aspartic acid. b. Iraning. i. Tyroaine. d. Histrdine - Cllutarazse. 10. Reterning to exhabir 3.. The pl of an umma sid th the pH at which it has a zen met tharge What is the inateasing order of soe cezrle pombs. low pH whigh for these thrye ameno acids? A. A. N. HIS. ASP 6. ASP. NL. HIS 4. HSS ALA. ASP 6. A A ASL HIS

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