Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
Amino acids connect together like beads on a necklace. MET, ASN, TRP, and GLN refer to four different amino acids.


Question: Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids?
amino acids
Amino acids.