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What is cell? Cell forms the lowest level of organisation which has life. This label of organization is called cellular level. The cell is the structural and functional unit of life. A cell can replicate itself independently. Hence, they are known as the building blocks of life.  All organisms are made up of cells. They … Read more

Introduction Penicilline are bita-lactam antibiotics they have a β -lactam ring in their chemical structure Penicilline was mainly produce by penicillium and Aspergillus species. The story of Alexander flaming discovery of penicilline has been told often. Fleming was already well known for his earlier work on staphylococci when, upon returning from a long holiday in September … Read more

Definition of Enzymes Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems. Enzymes in our blood can also help healthcare providers check for injuries and diseases. The term enzyme … Read more

What is Biosensor? Biosensor is a analytical device that detects changes in biological process. The term “biosensor” is short for “biological sensor.” I have shown below the biosensor device. The device is made up of a transducer and a biological element that may be an enzyme, an antibody or a nucleic acid. The bio elements interacts … Read more

Introduction Protein are chains of amino acids joined together by peptide bonds. Many confirmation or this chain are possible due to the rotation of the chain about each Cα atom. It is these confirmational changes that are possible for difference in the three diamensional structure or proteins. 1. Primary Structure The primary structure of a … Read more