PPT-Simple stain Dr. Mayssaa

Essam Bacterial Morphology Bacteria are unicellular free living organisms without chlorophil having b oth DNA and RNA Bacterial morphology Can be grouped into three types 1 Spherical . Staining total protein before specific protein de tection techniques provides an assessment of protein transfer efficiency and makes it possible to detect contaminating proteins in the sample and to compare the sample with molecular weight standards brPage 1br Reflexive Simple Simple Simple Reflexive Extra Action Supplemental Simple Exalted Exalted The DragonBlooded brPage 2br Exalted Exalted Players Guide Supplemental Simple Extra A stain is a substance that adheres to a cell, giving the cell color. .. The presence of color gives the cells significant contrast so are much more visible. . Different stains have different affinities for different organisms, or different parts of . BIOLOGY & BIOTECHNOLODY DEPARTMENT. In our laboratory, . bacterial morphology . (form and structure) may be examined in two ways:. By observing . living unstained organisms. (. wet mount. ).. 2. By . A stain is a substance that adheres to a cell, giving the cell color. .. The presence of color gives the cells significant contrast so are much more visible. . Different stains have different affinities for different organisms, or different parts of . Biology and Biotechnology department. Differential . stain separate bacteria into group . . Gram . Stain :. Differentiate bacteria into 2 groups:. Gram . positive bacteria . Gram . negative bacteria . Basic vs. acidic dyes. Differential Stain. Primary stain (stains all cells on slide). Decolorizing step (removes stain from certain types of cells). Counterstain (stains the decolorized cells). COMPONENTS 100ml. MODIFIED MAYER AUTOIMMUNE DISEASES. AUTOIMMUNITY. The . term autoimmunity refers to a failure of the body’s immune system to recognize its own cells and tissues as “self”, Instead immune responses are launched against these cells and tissues as if they were foreign or invading bodies. Biotechnology?. * . Biotechnology . —the use of biological processes; and . technology. —to solve problems or make useful products. . . *Biotechnology . – using living organisms, or the products of living organisms, for human benefit to make a product or solve a problem.. Bacteria: are unicellular free living organisms without . chlorophil. having . b. oth DNA and RNA . Bacterial . morphology. Can . be grouped into three types . 1- Spherical . (. cocci. ). 2- Rod – . . immunological tolerance. Immunological . tolerance is a state of unresponsiveness to a particular antigen to which a person has been exposed earlier. .. . . The important aspect of tolerance is the self-tolerance, which prevents the body to mount immune response against self-antigens. How to Focus the Microscope?. Turn the revolving nosepiece to 10 magnifying lens.. Move the stage up, the condenser to the top position and close iris diaphragm half way.. Put the slide on the slide holder on the stage.. . hussin. Dept of pathology. 13 march 2018. H&E. . stain. . is. . routine. . stain.. It . is. . the. . preliminary . or. . the. . first. . stain. . applied. . to. . the. . tissue. sections.