By: Gioia Degenaars
An amoeba is a single celled protist that is found in almost everywhere and primarily in fresh water Most of amoebas found in fresh water sources are benevolent and do not cause disease.They can cause some forms of dysentery in countries where water purity...
By: Tim Harry
The Cedar Waxwing, Bombycilla cedrorum, is one of those birds that brings out mixed emotions amongst many people. The sight of a wild bird feeding in a garden is generally a pleasant one, the sight though of a flock devouring all of the fruit and...
An overview of human embryo development step-by-step
By: Srikanth Radhakrishna
The term embryo is derived from a Greek word which means "That which grows". An embryo is defined as "The developing organism from fertilization to the end of the eighth week". The development process of an embryo in its mother's womb is a wonder of...
An overview of the toll-like receptors
By: Maffew James
The human body is a complex machine, and when it suffers from an attack on its system by pathogenic microbes such as bacteria, it acts accordingly to find and eliminate the source of the infection and restore function back to normal. The way in which...
By: Dr Pandula Siribaddana
Toll-like receptors (TLRs) are single, membrane spanning, protein receptors which play a valuable role in the innate immunity of a person. It initiates the recognition of certain molecular patters derived from microbial cells invading the human body and signals the beginning of a cascading pathway...
By: Evelyn Berger
Barbara McClintock, born on June 16, 1902, was a scientist and a distinguished American cytogeneticist. Born in Hartford, Connecticut, she was the third of four children. From an early age she was very independent, and at the age of three, was moved to live with...
An overview of human embryo development step-by-step
By: Alicia M Prater PhD
A human embryo forms after fertilization – a human sperm meeting a human egg. In this process, the 23 chromosomes in the one gamete combine with the 23 chromosomes of the other gamete to form the full 46 chromosomes required for normal human life and...
By: Dr Pandula Siribaddana
Molecular imaging is a science which gathered pace from early 21st century because of the burning need to evaluate molecular processes and cellular biology in living organisms and cellular structures without altering their physiological or biological structure. In this imaging technique, biomarkers are being used...
By: Janet Grischy
Bioluminescence is used in scientific research every day. It helps scientists study the genetic code and look for ways to repair genetic damage. It helps in the search for new ways to fight disease, and in the study of the nervous system as well as...
By: Dr. Bryan Katz
Proteins tagged with fluorescent markers are extremely versatile tools in cell and molecular biology research. A fluorescent marker is, as the name suggests, a molecule that emits light of a particular wavelength following exposure to a photons of a shorter wavelength, for example a laser...

 

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