Patent Awarded for Plant-Based Collagen. Biloine W. Young â¢ Mon, July 7th, 2014. Print this article. The U.S. Patent Office has granted CollPlant Ltd a patent covering processing methods for making human collagen from plants. Collagen is the most common protein in the human body. CollPlantâs technology is based on the production of human collagen through the genetic engineering of tobacco plants by implanting five genes in them that are found in the connective tissues of the human body.
The analects were written during a 30-50 year period after Confucius' death, by his pupils.
You are here. Home Â» Writing in the Disciplines Â» Writing in History Â» Types of Writing Assignments. Types of Writing Assignments. Critical Essays: These assignments typically ask the student to compose a short analytical essay that examines a primary document or a secondary document written by a scholar of history. For example, a short paper that examines a primary source will describe and explain a document or narrative (or portion of the narrative).