Lab report 1 gram staining
In the present study, the unknown microorganism present in the probiotics, maozrella cheese and camembert cheese were analyzed using the biochemical tests such as catalase, oxidase, latex agglutination, gram’s staining and string test. A gram stain was performed which identified gram positive cocci table 1 and table 2 list all of the biochemical tests, purposes, reagents, observations and results the results are also displayed in a flowchart. Gram staining is a common technique used to differentiate two large groups of bacteria based on their different cell wall constituents the gram stain procedure distinguishes between gram positive and gram negative groups by coloring these cells red or violet.
Bacteria that are non-responsive to this technique are known as gram insensitive i hypothesize that in the cultures used in this lab for gram staining will contain many gram negative and gram positive bacteria material and methods the following things are needed to run a gram staining experiment: 1 bacterial cultures 2 3 4 5. The gram stain is a differential stain, as opposed to the simple stain which uses 1 dye differential stains use 2 or more dyes, producing different colored cells depending on their chemical and physical properties. A gram stain is a laboratory procedure used to detect the presence of bacteria and sometimes fungi in a sample taken from the site of a suspected infection it gives relatively quick results as to whether bacteria or fungi are present and, if so, the general type(s. The gram stain is a type of differential stain that allows a (micro)biologist to identify the differences between organisms and/or differences within the same organism.
Micro lab - report #15 - gram staining study play gram staining - identification of unknown bacteria - used to determine appropriate treatment for a bacterial infection differential staining cells or structures within the cell display dissimilar staining reactions that can be distinguished by the use of different dyes. Biol 3702l: gram stain report instructions report components as part of the writing intensive component of biol 3702l, students will write a short laboratory report on their efforts related to staining their gram-stain unknown (skills test 2) the length of the report is inconsequential what is important is content and. To complete a sputum gram’s stain, your doctor will need to a collect a sample of your sputum and send it to a laboratory for testing sputum is a mixture of saliva and mucus that you cough up.
Introduction gram staining is the most essential and universally used staining technique in bacteriology laboratory page 1 of 2 treat and report the client based on the gram stain results alone it is a differential stain that allows you to classify bacteria as either gram. The gram stain was, in fact, developed by accident in 1884 when christian gram, a danish physician, was attempting to create a stain that would distinguish between eukaryotic nuclei and bacterial cells (2. The simple stain can be used as a quick and easy way to determine cell shape, size and arrangements of bacteria true to its name, the simple stain is a very simple staining procedure involving single solution of stain. The gram stain has a broad staining spectrum (2, 3) and classifies bacteria as either gram positive or gram negative the preparation and analysis of a gram stain is a highly complex procedure that requires extensive experience in order for a correct result to be reported ( 11 .
Lab report 1 gram staining
Gram staining is a very important technique used in biology labs all over the world it is a technique used to differentiate types of bacteria using certain physical and chemical characteristics of their cell walls. The gram stain is a differential staining technique used to classify & categorize bacteria into two major groups: gram positive and gram negative, based on the differences of the chemical and physical properties of the cell wall. Conclusion lab unit 04 - gram stain levine 1 alexis levine maxwell t/r 7, february 2010 • the importance of the gram stain streptococcus or fungus / yeast view lab report - lab report 2 – staining techniquedoc from fist 1011. Lab 2: staining and streaking protocols for simple stain, gram stain, streak plate technique and culture maintenance lab 2a: introduction to staining live specimens are difficult to see with the bright field microscope the contrast between a cell, which is primarily water, and the background, which is water, is poor.
1 staining and bacterial cell morphology • to learn the techniques of gram staining, nigrosin staining and koh test • to use and relate the gram stain to the study of bacterial cell morphology, and as an staining and 3) will retain the original cell morphology after fixation and staining. For more information, visit this video demonstrates the gram staining method for identifying unknown bacter. The gram stain is a type of differential stain that allows a (micro)biologist to identify the differences between organisms and/or differences within the same organism gram staining bacteria requires the use of aseptic technique to ensure the sterility of the experiment ta_lisa_gram stain lab report author.
Study flashcards on microbiology: lab exercise 5-gram staining at cramcom quickly memorize the terms, phrases and much more cramcom makes it easy to get the grade you want. Guaranteed consistent results high-quality stain sets traditional formulation requires iodine be added to diluent ready-to-use stabilized formulation with full kit dating. Gram staining recommended order: bacteria sampling (formerly disposable lab equipment) should be followed by gram staining, then using a microscope. The gram stain is the most frequently used stain in a clinical microbiology laboratory and is usually the first step in identifying bacteria based on differences in cell wall components, bacteria are categorized as either gram-positive (stains dark purple) or gram-negative (stains pink.