App definition, an application, typically a small, specialized program downloaded onto mobile devices: the best GPS apps for your iPhone. See more.
Anticodon. An anticodon is a tri nucleotide sequence complement ary to that of a corresponding codon in a messenger RNA (mRNA) sequence. An anticodon is found at one end of a transfer RNA (tRNA) molecule. anticodon the complement ary codon present on a tRNA molecule.
The anticodon region of a transfer RNA is a sequence of three bases that are complementary to a codon in the messenger RNA.