biology current events articles

Mammals and birds secrete a hypertonic urine. This is a main adaptation of land rentilates for the conservation of water. There are 2 counter current mechanisms operating inside the kidne..

Chronology of Significant Events in Cell Biology - CHRONOLOGY OF SIGNIFICANT EVENTS IN CELL BIOLOGY YEAR EVENT 1500 Jansen designed the first conpound microscope by containing two lenses. 1665 Robert Hooke examined a thin section of bottle cork and ..

Electron microscopes were widely used revealing the ultrastructure of cell..

It is the division of nuclear material, represented by a sequence of events in the cell. It can be distinguished into four phases namely prophase, metaphase, anaphase and telopha..

Every cell that is capable of undergoing division passes through a cyclic sequence of events involving growth and division. It is called Cell Cycle. It encompasses the entire sequence of events that occur in a cell from the time it is formed from its parent cell till the t..

It is the step in which the amino acids are assembled into a polypeptide chain. It involves 3 events: initiation, elongation and termination of polypeptide chai..

Development involves precisely coordinated series of events. Each gene is switched on in its turn, and then something resulting from the expression of that gene, or some environmental influence, switches on the next gene in the programm..

Relatively, neurosis is a milder form of mental illness - characterised by prolonged emotional reactions like anxiety, fear, worries, tensions and pain. Such reactions are rooted in sub - conscious mind and are caused by some impactful event, strong feeling or particular person. An import..

The events in protein synthesis are better known in bacteria than in eukaryotes. Although these are thought to be similar in the two groups there are some differences. The following description refers mainly to protein synthesis in bacteria on the 70S ribosom..