Mindblown: a blog about philosophy.

An enzymatic (protease) cell organelle that degrades misfolded or damaged proteins and modulates the quantity of regulatory proteins in the cell. The breakdown of proteins by proteasomes (proteolysis) is triggered when damaged proteins are tagged by ubiquitin.  

A class of enzymes that break down, or hydrolyze, the peptide bonds that join the amino acids in a protein. The protein is broken down into its basic building blocks (i.e., amino acids).  

Having the ability to change form, as the ameba; variable. A condition or eruption that exhibits a variety of forms or shapes. An insoluble compound derived from a protein, typically the initial product resulting from the influence of water or enzymes.  

A radioactive element; atomic weight 231; atomic number 91.  

Surgical replacement of diseased or scarred corneal tissue with a transparent prosthesis.  

A dentist who specializes in the mechanics of making and fitting artificial teeth, dental appliances, and other prostheses that replace structures of the maxillofacial region. A dental professional who possesses specialized expertise in the restoration of dental functionality following surgical procedures and the creation of dental prostheses.  

The surgical procedure for replacement of diseased scleral and corneal tissue with a transparent prosthesis.  

A mechanical system of cables and attachments that, used with a harness, permits the wearer of a prosthetic device to perform desired movements, such as grasping objects.