Gelatin is a protein and in aqueous solutions is a hydrophilic colloid. Gelatin derived from an acid-treated precursor is known as Type A, and gelatin derived from an alkali-treated precursor is known as Type B.
The philosophes (French for philosophers) were the intellectuals of the 18th century Enlightenment. [1] Few were primarily philosophers; rather, philosophes were public intellectuals who applied reason to the study of many areas of learning, including philosophy, history, science, politics, economics and social issues.
A lysosome (derived from the Greek words lysis, meaning to loosen, and soma, body) is a membrane-bound cell organelle found in most animal cells (they are absent in red blood cells).ysosomes fuse with autophagic vacuoles (phagosomes) and dispense their enzymes into the autophagic vacuoles, digesting their contents. They are frequently nicknamed suicide bags or suicide sacs by cell biologists due to their autolysis.