You are given two sample tubes, each containing a white powder: your task is to determine if these powders are pure substances and two samples of same substance. briefly describe your strategy for completing your task.

Take a bit of each other and burn it individually. If they make the same reaction, they are the same.
Next, take a bit of each other and put it into the water and stir it until it dissolves, then filter those dilutions. If there's something left, the substances are not clean.

It depends on the codon on the mRNA & the anticodon on the tRNA to which the amino acid is attached