In this article we will discuss about:- 1. Definition of Ecotoxicology 2. Ecotoxicological Episodes 3. Scientific Approach 4. Entry, Movement and Fate of Pollutants in Ecosystems. Definition of Ecotoxicology: Ecotoxicology can be defined as "the study of harmful effects of chemicals upon ecosystems". This implies that ecotoxicology is concerned not only with the detections of chemicals per se, but with [...]
After reading this essay you will learn about:- 1. Definition of Pharmacology 2. Historical Developments of Pharmacology 3. Stages of History of Development 4. Branches 5. Records. Essay on the Definition of Pharmacology: Pharmacology consists of two Greek Words-Pharmakon = Drug and Logos = Study and may be defined as follows: (i) Pharmacology is the science that deals with drugs. [...]
In this article we will discuss about:- 1. Definition of Epistasis 2. Types of Epistasis 3. Epistasis in Drosophila 4. Epistasis and Blood Groups in Man. Definition of Epistasis: Due to the phenomenon of dominance a recessive allele remains obscure in the hybrid. But when two different genes which are not alleles, both affect the same character in such a [...]