Bacterial colony morphology bacteria grow on solid media as colonies a colony is defined as a visible mass of microorganisms all originating from a single mother cell, therefore a colony constitutes a clone of bacteria all genetically alike bacteria can produce very different colonies. Lab: prokaryotes and eukaryotes: bacteria (cyanobacteria), and eukaryotic cells laboratory atlas chapters 1 and 2 use your lab notebook and make sketches of everything, labeling and noting function. As discussed in “observing bacteria and blood” the most common bacterial shapes are rods, cocci, and spiral however, within each of these groups are hundreds of unique variations rods may be long, short, thick, thin, have rounded or pointed ends, be thicker at one end than the other, etc cocci may be large, small, or oval-shaped to. Title: observing bacteria and blood objective: to gain functional knowledge of microscope operations through practical applications of a microscope in the observation of bacteria and blood procedures: using the microscope, an oil immersion lens and observing bacteria cultures in yogurt.
Bacteria grow on solid media as colonies a colony is defined as a visible mass of microorganisms all originating from a single mother cell key features of these bacterial colonies serve as an important criteria for their identification. The microbiology labpaq comes complete with a full color lab manual on cd and contains all required science equipment, chemicals, cultures, slides, and supplies to perform the experi- experiment 1: observing bacteria and blood experiment 2: bacterial morphology experiment 3: aseptic technique & culturing microbes. Discovery of bacteria and other achievements antony leeuwenhoek was the first person to see bacteria through the late 1670s, he sent comprehensive data and detailed drawings of his sightings of bacteria and algae to the royal society in london.
Free essays on observing bacteria lab report search lab 4 bsc jasmine jones lab 4: monitoring blood glucose has been recognized as a helpful tool in managing diabetes depending on application save paper 3 page 708 words devry comp 220 ilab 5 lab report and source code. Can one see bacteria using a compound microscope the answer is a careful “yes, but” generally speaking, it is theoretically and practically possible to see living and unstained bacteria with compound light microscopes, including those microscopes which are used for educational purposes in schools. Observing bacteria and blood essay sample questions: a list the following parts of the microscope, and briefly describe the function of each part. Staining and bacterial cell morphology i objectives • to learn the technique of smear preparation • 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. After locating and observing the bacteria, observe them using high power c observe that the stained bacterial cells are of three major forms, spherical-shaped (called coccus ), rod- shaped (called bacillus ) and spiral-shaped (called spirillum .
In this lab you will be innoculating plates and observing bacterial growth microscopes can then be used to identify specific bacteria this lab may take several days, keep all data and observations in a separate notebook to be compiled and organized into a final lab report. Urine testing written by: for example bacteria or parasites and kidney stones based on testing the urine for the hormone a substance produced by a gland in one part of the body and carried by the blood to the organs or tissues where it has an effect human chorionic gonadotrophin. Lesson: magnifying and observing cells students make slides of cells from an onion skin and an elodea leaf to observe under a microscope, and learn that all organisms are composed of cells. Observing bacteria and blood cynthia alonzo, ms version 42-0249-00-01 lab report assistant this document is not meant to be a substitute for a formal laboratory report the lab report assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report.
Microbiology experiment: observing bacteria and blood (solved) march 14, 2011 a compare your observations from the fresh yogurt slide and the prepared yogurt slide. Observing bacteria & blood the eveolution of microscopes the 1500s brought science into a new era with the invention of microscopes this groundbreaking development has opened a new scientific world making it possible to study objects 1500 times smaller than the naked eye can process. Michele mcneill, section 704 title and number: observing bacteria and blood - lab # 1 purpose: the purpose of this experiment is to gain knowledge of the functions and operations of the compound light microscope and an immersion oil lens by observing prepared slides of various bacteria and blood slides.
Materials & methods after becoming familiarized with the techniques used to culture bacteria, we set out to test our hypothesis first, we gently rubbed one fingertip in a sterilized agar plate using caution to avoid contamination from the air while the lid was open. Observing bacteria in a petri dish students should examine cultures in containers, which have been taped and closed colony morphology is a method that scientists use to describe the characteristics of an individual colony of bacteria growing on agar in a petri dish.
Preparing a blood slide and observing blood: after reviewing the section of the manual as instructed i cleaned the ocular lenses and prepared the slides i made required adjustments to the microscope and ocular distances for view during experiment. There are square bacteria, star-shaped bacteria, stalked bacteria, budding bacteria that grow in net-like arrangements, and many other morphologies when observing bacteria, describe as many of these characteristics as possible. This video shows how bacteria and spirochetes attack white blood cells in the mouth these are the bacteria that cause inflammation and gum disease for more articles and info on holistic dental.