Phenylalanine is an amino acid that is essential to human nutrition. The representation below shows the structure of phenylalanine at the pH found in cells. Consider this structure to answer the following question(s). 
phenylalanine
-Refer to instructions. The oxygen atom labeled "B" has _____ nonbonding electrons.
Correct Answer:
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Q1: Phenylalanine is an amino acid that is
Q3: What is the formal charge on the
Q4: Use the convention δ−/δ+ and the crossed
Q6: Refer to the following equation to answer
Q7: Among the following compounds which can function
Q8: Use the convention δ−/δ+ and the crossed
Q10: Which of the following molecules would exhibit
Q11: Draw two resonance structures for the species
Q28: Instructions: Consider the reaction below to answer
Q38: Instructions: Consider the species below to answer
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