When expressing Amino Acids in ASL, you should start by fingerspelling the entire word. Moving forward, you may abbreviate. For example, start with "A-L-A-N-I-N-E," then shorten to "A-L-A" or simply "A."
When expressing measurements in ASL, it will be done by signing the prefix first and then the attached unit. For example, one would sign "micro," then "gram," to sign the word "microgram." Follow the formula: Unit + Prefix = Unit of Measurement.Â