The study of kinds and diversity of organisms and the evolutionary relationships among them is called systematics or taxonomy. The study systematics gives the order and relationships among thp organism.…
Organic evolution is defined as "a change in population of organisms over time". The history Earth is a billion of years old. The earth was inhabited by different population during…
The substance which resists change in pH is called buffer. Stable internal environment is maintained in animals. It requires a relatively constant pH of the body fluids. A strong acid…
The negative log (antilog) of hydrogen ion concentration is called pH. Hydrogen and hydroxyl ions affect the chemical reactions in the cells. Therefore, the concentrations of these ions in body…
Acid An acid is a substance that releases hydrogen ions (in when dissolved in water. A hydrogen atom without its electron is only a proton. Thus an acid is a…
Cell is the lowest level of organization. It is capable of performing all the activities Df life. The cell has a very special place in the hierarchy of biological organization.…
Genetics has scope in following fields: Genetics as basis of biological sciences Genetics provides a foundation for biological studies. Law of inheritance helps its to understand principles of embryology, population,…
The concentration of a solution is expressed by following methods: Percentage The volume or weight (concentration) of some solute is expressed in the percentage. For example 10 gin of sodium…
Genetics is divided into two parts: Classical and Mendelian genetics. (a) Classical Genetics The techniques and methodologies of genetics are called classical genetics. This genetics give rise to molecular biology.…
Electrolytes The substances that conduct electric current in aqueous solution are called electrolytes. Electric current decompose an electrolyte into its ions. The process of decomposition of electrolytes into its ions…
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