Introduction to Pharmacognosy Materia medica: Medical matter Pharmacognosy: two Greek wor ds harmakon (Drug) and gnosis (Knowledge) Why study this course? 生藥(Pharmacognosy) 中藥(Traditional Chinese Medicine, TCM) 草藥(Her bal Medicine)
Some disorders result when a mutation causes the product of a single gene to be altered or missing. These disorders are inherited in simple patterns similar to or identical with those described by Mendel for certain discrete characteristics in garden peas. Therefore, it’s also called Mendelian diseases
1.Genes can be mutated in many ways The most common gene change involves a single base mismatch--a misspelling--placing the wrong base in the DNA. At other times, a single base may be dropped or added. And sometimes large pieces of DNA are mistakenly repeated or deleted
Information in Competitive Markets In purely competitive markets all agents are fully informed about traded commodities and other aspects of the market. What about markets for medical services, or insurance, or used cars?