OXIDATIVE AND NON-OXIDATIVE DEAMINATION
INTRODUCTION: The removal of amino group from the amino acid as ammonia (NH3) is called deamination. A chemical reaction that is catalysed by the deaminase class of enzymes which results in the liberation of ammonia is called deamination and this liberated ammonia is used for urea synthesis. These reactions occur in the liver and kidney…
Cholesterol: Sources, Structure and Biosynthesis.
Introduction Cholesterol is an extremely important sterol in the tissues of animals. It is an organic molecule and a type of lipid. It is a fat-like substance, which is waxy in texture, and found in all the cells of our body, as it is essential for carrying out many functions such as synthesis of hormones,…
MITOSIS- its Occurrence, Stages and Significance.
INTRODUCTION: OCCURRENCE OF MITOSIS: NUCLEUS: It is a membrane-bound cell organelle present in both animal and plant cells. It is the center of the cell where genetic material is stored in the form of DNA. The DNA is arranged into a group of proteins into thin fibers. During the Interphase of the cell…
Metamorphosis and its type
Metamorphosis is the phenomenon of dramatic developmental changes in which an immature organism turns into a sexually mature form. In this process, large proportions of structural changes occur in such a way that its younger form and older form are unrecognizable. These changes are initiated by endocrine factors and few hormones that will possibly affect…
Citric acid production and applications of submerged fermentation
Submerged fermentation is a type of fermentation in which the microorganisms are suspended in a liquid medium. The liquid medium also contains various other nutrients and growth factors in the necessary proportions in a dissolved or a particulate solids form. The main application of submerged fermentation technique is in the extraction of metabolites (secondary metabolites)…
FLUORESCENCE MICROSCOPY
Fluorescence microscopy is an essential tool in molecular and cellular biology. It is a technique that allows one to study and visualize the cellular structures and dynamics of tissues and organelles, and macromolecular assemblies inside the cell. It was devised in the early twentieth century by various scientists like Köhler, Lehmann, Reichert and others. The…
Vaccine
QUIZ ON VACCINE Que 1. Vaccine is prepared by a. weakened microorganism b. toxins c. Surface protein d. all of the above Que 2. The term vaccine and vaccination are coined by- a. Edward jenner b. Louis Pasture c. Robert Koch d. Alexander Fleming Que 3. Vaccine…
Inflammation
Introduction Inflammation is part of the complex biological reaction of the tissues of the body to harmful stimuli, such as bacteria, damaged cells or irritants, and is a defensive reaction involving immune cells, blood vessels and molecular mediators. Inflammation has the purpose of removing the initial cause of cell injury, clearing necrotic cells and damaged…
Research methodology
By- Ezhuthachan Mithu Mohanan, ( MSIWM043 ) Research methodology: The method of conducting research, by formulating problems, finding objectives, presenting result is all the crucial steps in any research. Sources of data and population consideration, ethical values, sample determination, methods executing plays a vital role before undertaking the research proposal. Objectives Obtaining novel opinions and…
Corona Virus
QUIZ ON CORONA VIRUS Que 1: Latin word “corona” means a. Crown b. Lethal c. Spherical d. Contagious Que 2: Coronavirus belongs to _______ subfamily- a. Avulavirinae b. Comovirinae c. Orthocoronavirinae d. Parvovirinae Que 3: SARS cov was transmitted from- a. Civet cats b. Camels c. Dogs …
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