Sterilization vs Disinfection Disinfection vs Sterilization: Microbes are present in almost all types of habitats. They are so ubiquitous that the presence of many microbes causes undesirable consequences such as food spoilage and diseases. Thus in many situations, it is mandatory to kill the microbes or inhibit their growth to […]
What are Disaccharides? Disaccharides are carbohydrates which contain two covalently linked monosaccharide units. Sucrose, Maltose, Lactose, Trehalose and Cellobiose are naturally occurring disaccharides. The individual monosaccharide units in a disaccharide are called ‘residues’. All disaccharides are soluble in water Glycosidic bonds links monosaccharide units The monosaccharide units in disaccharides (and […]
Monosaccharides are Simplest Sugars Monosaccharides are the simplest carbohydrates. They are polyhydroxy aldehydes or ketones with a carbon backbone. The carbon backbone in monosaccharides usually consists of 3 – 6 carbon atoms. The simplest monosaccharides are glyceraldehyde and dihydroxyacetone (with 3 carbons). The most abundant monosaccharide in nature is a […]
Most of the bacterial cells are surrounded by a thick rigid cell wall. The cell wall provides shape to the cell and protects the bacteria from changes in the osmotic pressure. Peptidoglycan (murein) is the principal component of the bacterial cell wall and it is responsible for the shape and […]
Welcome to CSIR NET Online Mock Test 12. This test is for the preparation of CSIR NET Life Sciences Examination. It Consists of 15 MCQ Questions in Online Test format. Once you finish the test, please click ‘SUBMIT‘ button to see your ‘SCORE‘ and ‘CORRECT ANSWERS‘. You may contact Admin if […]