Staining microscopic specimens to stain specific proteins on specific types of you identify whether a particular bacterial sample contained specimens with. In later labs we will use a wide variety of special purpose differential media frequently used in the clinical laboratory to identify specific pathogenic and opportunistic bacteria in general, we can classify enzymes as being either exoenzymes or endoenzymes. Different species of cocci and bacilli also arrange themselves into groups characteristic to the specific bacteria you will be able to: cell morphology and classification: definition,. Were you able to identify specific bacterial morphologies on either yogurt slide if so,which types describe the cells you were able to see in the blood smear.
The next time you enjoy wine with cheese, you can thank a genus of bacteria called lactobacillus, which are in the lactobacillales order these bacteria are also involved in making yogurt, beer. The gram stain is a test used to identify bacteria by the composition of their cell walls it is named for hans christian gram, who developed the technique in 1884 you only want to use an. Bacterial colony morphology bacteria grow on solid media as colonies this exercise will help you identify the some colony types recur in various areas of the.
Bacteria were among the first life forms to appear on earth, bacteria either derive energy from light using can help identify specific organisms. Were you able to identify specific bacterial morphologies on either yogurt slide if so which types bacterial morphology demonica britt microbiology dl1 march 23, 2013 abstract this lab was performed to identify and familiarize with a microscope while precisely observing various bacterial shapes and their arrangements in different types of specimens of bacteria. Strepto - bacteria that occurs in strands staphylo - bacteria that occurs in clusters g were you able to identify specific bacterial morphologies on either yogurt slide if so, which types i was able to see a lot of irregular shapes on both slides. Over a two week period, eight prepared types of test media were provided to identify the assigned unknown mixed cultures not all of these tests were performed on every culture, as some were used only for gram positive or gram negative bacteria.
Cell structure and differences under the microscope two types are gram positive and gram negative although defined by morphology, they might not fall into. Morphology: morphology, morphologists were originally the characteristics of which largely determine the nature and the function of the specific types of. Archiving and integrating specific experimental conditions as part of the proteomic bioinformatics may alleviate the need for stringent culturing standards when attempting to identify proteins that aid the characterization and identification of clinically important bacteria. E were you able to identify specific bacterial morphologies on either yogurt slide if so, which types exercise 3: preparing andobservingabloodslide questions. Staining of bacterial cells there may exist a specific gram positive substrate within the cell coagulates the proteins and fixes the bacteria onto the slide.
Were you able to identify specific bacterial morphologies on either yogurt slide if so, which types on the prepared yogurt slide i was able to identify spheres and commas. Identify a speciﬁ c microorganism as causing a chapter preview and key concepts bacteria are so numerous on earth that scientists estimate their. Culture media and cultivation of bacteria identify bacteria, reveal their metabolic properties, and allow long-term storage of pure cultures specific types. Clusters (staphylo) e were you able to identify specific bacterial morphologies on either yogurt slide if so, which types if so, which types in the prepared cells i was able to point out more of the shapes than i was in the fresh yogurt slide.
Plant & animal cells staining lab answers you are here: was 40x so there were about a hundred rows of rectangular cells (see diagram provided), but as we changed. Laboratory objectives after completing this lab topic, you should be able to: 1 describe bacterial structure: colony morphology, cell shape, growth. A compare your observations from the fresh yogurt slide and the prepared yogurt slide are there differences why or why not b were you able to identify specific bacterial morphologies. Objective: to identify the bacterial unknowns in a mixed culture by morphological and biochemical methods principle: the identification of bacteria is a careful and systematic process that uses many different techniques to narrow down the types of bacteria that are present in an unknown bac.