HUMAN NERVOUS SYSTEM
June 12, 2018
The origin of human nervous system is ectodermal. The whole nervous system is divided into three parts. Central Nervous System It comprises the brain and the spinal cord. Brain Brain…
June 12, 2018
The origin of human nervous system is ectodermal. The whole nervous system is divided into three parts. Central Nervous System It comprises the brain and the spinal cord. Brain Brain…
May 26, 2018
OXIDATIVE PHOSPHORYLATION It is the main source of energy of our cell. Takes place in Mitochondria. Movement of protons through inner mitochondrial membrane leads to ATP production DEFINITION Oxidative phosphorylation includes the…
May 25, 2018
Deoxyribonucleic acid (DNA) is a molecule that carries most of the genetic instructions used in the development, functioning, and reproduction of all known living organisms and many viruses. DNA is a nucleic acid; alongside proteins and carbohydrates, nucleic acids compose the three major macromolecules essential for all…
May 24, 2018
DIFFERENT MODE OF DIGESTION IN ORGANISMS The collective processes by which a living organism takes food which are necessary for their growth, maintenance and energy needs is called nutrition. The…
May 6, 2018
The word biotechnology has come from two words, bios (meaning biology) and technology (meaning technological application). Thus biotechnology is defined as the industrial application of living organisms and their biological…
May 5, 2018
The earth was formed about five billion years ago. At that time it was extremely hot. The existence of life in any form at that high temperature was not possible.…
May 1, 2018
The global life depends on a series of chemical reactions. Most of the chemical reactions proceed too slowly on their own to sustain life. Hence catalysts are required to greatly…
May 1, 2018
The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from…
May 1, 2018
Structurally speaking, ribonucleic acid (RNA), is quite similar to DNA. However, whereas DNA molecules are typically long and double-stranded, RNA molecules are much shorter and are typically single-stranded. RNA molecules perform…
May 1, 2018
DNA duplicates itself with complete fidelity for passing on genetic information to the next generation of cells. Replication may thus be defined as a mechanism for transmission of genetic information…