Showing posts from November, 2020
Bacteria have cell walls made up of polysaccharides. That give them strength and rigidity. This is important since bacteria often experience variations in osmotic pressure due to the different solutions. They encounter and it is their cell walls whic…
Mendelian Genetics : Father of Genetics, Gregor Johann Mendel was born in a farmer family near Brunn in Austria in 1822. Gregor Johann Mendel conducted his historic experiments with garden pea ( Pisum sativum ) in the monastery garden for about n…
Flagella are the specialized structures of bacteria that are responsible for bacterial motility. (Singular, flagellum , which means whip). Some others can move by gliding. Aquatic bacteria move through their gas-filled vacuoles. Flagellum , is …
Human body is a product of different chemical reactions and processes but what controls these reactions? in 1833 a french chemist, Anselme Payen was the first to discover the vital force that drove these reactions and named it " Enzyme " En…
Plants use sunlight as well as carbon dioxide and water to make glucose , and it is all of this glucose, among other biomolecules, that becomes the starting material for metabolic processes in our bodies. This degradation of biomolecules to gener…
When the organisms are allowed to grow in a nutrient environment, the concentration of solutes in the cell is usually much higher than the concentration of solutes in the extracellular environment. Moreover, the composition of Intracellular solute…
