PPT-Aim: To prepare pure culture by streak plate method.

Theory Generally bacteria exist in mixed population It is very rare to get a single and pure form For studying the cultural morphological and physiological characters of an individual species it is essential to separate them from the others to get in the form called pure culture There are many important methods for isolating pure culture from mixed . dragging it to the burner. Put the loop into the flame until it is red hot. Allow Pick an isolated colony from the agar plquadrant (approximately 1/4 of the plrallel streaks. Flame the loop. times th numerical aperture (NA); a low resolving power number is good while a high number is bad. Therefore, a shorter wavelength and a higher NA gives better resolving power. The numerical aperture is a prop Geologists use characteristics to tell one mineral from another. What is a Mineral?. Must be a solid.. Must occur in nature.. Must have a definable chemical composition (. NaCl. ).. Must have a crystalline structure.. Scientists . use characteristics to tell one mineral from another. Mineral Properties we will . be investigating:. Luster. Hardness. Streak. Transparency. Luster. Refers to the way light reflects from the surface of the mineral. . Basic techniques. 3.1 Methods of Culturing Microorganisms: The Five I’s. Microbiologists use five basic techniques to manipulate, grow, examine, and characterize microorganisms in the laboratory: inoculation, incubation, isolation, inspection, and identification. Streaking a Plate for Isolated Colonies (Pure Culture Technique) Primary Secondary Tertiary Final Streak Streak Streak Streak Streaking a plate for isolation is a method of reducing the nu Pure Culture Techniques. **. Turn on Incinerators and hot plates (low heat) . **. Microbial Culture. M. ethod of multiplying microbial organisms by letting them reproduce in a predetermined culture media under controlled laboratory conditions. Radiant energy released by certain electromagnetic processes . Divided into a spectrum based on wavelength. Longer wavelength: lower in energy. Radio waves, microwaves, infrared . Shorter wavelength then visible light: higher energy level . http://www.youtube.com/watch?v=tBmNitxvqyc. Aseptic Technique allows for the sterilization of tools and the prevention of cross-contamination of cultures when working with bacteria as well as the spread of bacteria of and disease to people. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES17389-v4-2009SepMSD96-Well MULTI-ARRAYHumanEPOTissue Culture Assay The following assay protocol has been optimized for analysis of humanErythropoieti What is a Mineral?. Must be a solid.. Must occur in nature.. Must have a definable chemical composition (. NaCl. ).. Must have a crystalline structure.. Must be inorganic.. Video: . http://www.youtube.com/watch?v=rTXSwnkieZc. What do good scientists do?. GOOD SCIENTISTS…. work together and share their information.. observe carefully.. record their observations.. learn from their observations and continue to test, examine, and discuss.. Some amazing Geology facts. I. t’s a Cycle. We can START and END. ANY WHERE!!!!. So let’s start with . SEDIMENTARY ROCKS. All we need are pieces (SEDIMENTS) of ANY rock that are put together!. http://. Aurélie. Rabiller BE-BI-PM. 09.02.2012. Summary. 2011 Measurements in CR, DL and CLEX. Optical lines . improvements. Streak camera operation. Discussion. 2. CTF3 streak camera - February 2012. Streak camera optical lines.