Observing bacteria cultures in yogurt lab procedure-a thoroughly cleaned glass bowl was filled with a teaspoon of yogurt-it was covered and left in a dark warm area (cabinet above stove) for 25 hours lab procedure cont-a sample of the yogurt was placed on a clean slide-it was diluted with a small drop of water and covered with a slide cover. Activity: observing bacteria cultures in yogurt materials: plain yogurt with active cultures light microscope slides, coverslips distilled water dropper procedure: clean your slides and coverslips for dust and other particles. Bacteria will appear small even at the highest magnification note: step 2 is optional you will be able to see the bacteria even without using the stain bacteria can be found isolated, in pairs (diplo), in clusters or in threads (strepto), and they can have different shapes like rods (bacilli), sphere (coccus) etc. Observing bacteria & blood the eveolution of microscopes observing bacteria cultures in yogurt lab procedure-a thoroughly cleaned glass bowl was filled with a teaspoon of yogurt-it was covered and left in a dark warm area (cabinet above stove) for 25 hours lab procedure cont.
Sbi3u panayiotou observing bacteria in yogurt lab you will prepare a slide to view bacteria found in yogurt some bacteria include streptococcus thermophilus, lactobacillus acidophilus or lactobacillus bulgaricus. Title: observing bacteria and blood- lab #1 purpose: being able to learn how to correctly use a microscope and the oil immersion lens to be able to see the prepared slides also to learn how to prepare my own yogurt and blood slides procedure: first, set up the microscope clean the ocular lenses and objectives with lens paper.
Observing bacteria cultures in yogurt - part 2 materials: compound light microscope slides coverslips dropper plain yogurt collection vial or cup toothpick procedure: find a small vial and clean it thoroughly if a collection vial is unavailable, a plastic cup will do make sure all soap is completely rinsed off.
Yogurt under the microscope preparation, requirements and observation yogurt has been made and consumed for thousands of years, and is today recommended for effective regulation of the digestive system although milk from a number of animals (sheep, goat and water buffalo) can be used, it’s more popularly produced by using milk from cows. Place a very small portion of plain yogurt onto the slide, and add one drop of water place the coverslip on top under low power, find a section where the yogurt is pretty thin this is where you will find the bacteria. Plain yogurt collection vial or cup toothpick procedure: find a small vial and clean it thoroughly if a collection vial is unavailable, a plastic cup will do make sure all soap is completely rinsed off put a small amount of yogurt in the container, and put it aside in a dark, relatively warm area leave undisturbed for at least 24 hours.
Mbk – lab report name: ____ section: ___ module 1, experiment 1: observing bacteria and blood (no microscope needed for this lab) questions: a list the following parts of the microscope, and briefly describe the function of each part. An image of lactobacillus bulgaricus glb44 bacteria strain under a microscope source photo taken in laboratory of glass with bacteria date 2014-04-20 author martin a white unstained slide the student will be able to see rod-like organisms, which may be in clusters.
Yogurt is made from the fermentation of the lactose in milk by the rod-shaped bacteria lactobacillus delbrueckii subsp bulgaricus to produce lactic acid, which acts on milk protein to give yoghurt its texture and its characteristic acidic taste. Bacteria(in(yogurt(lab( introduction(sometypesofbacteriacanfermentmilk,producinglacticacidintheprocessyogurt isaproductoffermentation.
It is an opportunity to learn the different between stained and unstained slides as well as the different types of bacteria that are used to make the yogurt they drink although yogurt bacteria are safe to handle in the laboratory, safety is still emphasized given that students will still come in contact with glass slides and stains. Observing bacteria in yogurt lab you will prepare a slide to view bacteria found in yogurt some bacteria include streptococcus thermophilus, lactobacillus acidophilus or lactobacillus bulgaricus predict: (2) what would the appearance of the bacteria look like.