"tRNA is like a bus; once it drops off amino acids, it goes and picks up more. The anticodon is like the scroll bar on top of the bus tells where the bus is going. Amino acids are like the passengers; they will be dropped off. Amino acids are bonding to make a polypeptide chain/protein."
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.