Final answer:
The 'orange tape' likely represents an amino acid abbreviation, but without further details, it is impossible to identify which specific amino acid it corresponds to among Leucine, Serine, Alanine, or Aspartic Acid. The abbreviations for amino acids are single-letter (L, S, A, D) or three-letter codes.
Step-by-step explanation:
The question 'What is the only possible amino acid that can be represented by the orange tape?' refers to the representation of amino acids by their single-letter abbreviations or their three-letter abbreviations. Amino acids such as Leucine, Serine, Alanine, and Aspartic Acid can be abbreviated as L, S, A, and D respectively.
In the context provided, the 'orange tape' is likely referring to one of these abbreviations. Since the specific abbreviation represented by the orange tape is not provided, it is not possible to determine which one of the listed amino acids it represents without additional information.
It's important to note that the essential amino acids like leucine are vital as they must be obtained through diet, whereas the body can synthesize nonessential amino acids such as alanine.