Open Question
Convert the following 3-letter amino acid codes into 1-letter codes to answer the following question:
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3. Amino Acids
Amino Acid One Letter Code
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Which 1-letter-code is unique in that it is neither the first letter of the amino acid nor phonetic in origin?
A
I.
B
L.
C
K.
D
G.
E
T.
Verified step by step guidance1
Understand that amino acids are often represented by a 1-letter code, which is usually derived from the first letter of their name or a phonetic association.
Review the list of amino acids and their corresponding 1-letter codes to identify any exceptions to this rule.
Recognize that the amino acid Lysine is represented by the letter 'K', which does not correspond to the first letter of its name nor is it phonetic.
Compare the 1-letter codes provided in the problem (I, L, K, G, T) with the names of the amino acids they represent.
Identify that 'K' for Lysine is unique among the options given, as it does not follow the typical naming convention.
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