Glossary

Aspiration Test

This simple test ensures that you are not injecting into a blood vessel. Insert the needle into the muscle, and then pull back on the plunger. If you withdraw blood into the barrel of the syringe, you are in a blood vessel. In that case choose a different injection site.

Expression

Use of the information in a gene via transcription and translation resulting in a phenotype.

Protease

A proteolytic enzyme.

Proteolytic

Destructive of protein, usually by hydrolysis of peptide bonds.

Proteasome

A multi-subunit complex of proteases within a cell.

Ubiquitin

A small protein found in all cells.