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What does AA stand for?

AA stands for Amino Acid

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 149 other meanings of AA in our Acronym Attic

Samples in periodicals archive:

Much research on host defenses against infection has concentrated on the amino acid sequences of antimicrobial peptides in the belief that the order of the acids and their replication reflect how they work against aberrant cells.
Billions of years ago, a simple amino acid may have triggered all other amino acids to adopt a left-handed configuration, determining the chemical fate of these biological building blocks and influencing the emergence of life on Earth.
Recently, however, researchers modified Escherichia coli bacteria so that the single-celled organisms also make an alien amino acid and incorporate it into proteins (SN: 1/25/03, p.