Question #1: (0.8 point) Give the full name for an amino acid that has a basic s

Question

Question #1: (0.8 point) Give the full name for an amino acid that has a basic side chain that is considered to be an imidazole. No points given for misspellings. Question #2: (0.8 point) This amino acid is represented by the one-letter abbreviation of N. You must spell out the COMPLETE name of the amino acid correctly. No points given for misspellings. Question #3: (0.8 point) The zwitterion for K has: a. a net charge of +2 b. a net charge of -2 c. a net charge of +1 d. a net charge of -1 e. a net charge of 0 Question #4: (0.8 point) The isoelectric point is defined as the pH at which an amino acid is MOST likely to exist as a zwitterion. Question #5: (0.8 point) At pH 1.63, the net charge of E is most likely: a.) -2 b.) -1 c.) 0 d.) +1 e.) +2

Explanation / Answer

1) Histidine

2)Asparagine

3)A net charge of 0. A zwitterion is a neutral molecule with positive and negative electrical charge at different locations within that molecule.

4) True.

5) On Glutamate the net charge is +1 at this PH

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