Make your own prepared slide with mounts of your choice of specimen on glass microscope slides this is a great microscope activity for junior high to high school age a fresh leaf specimen (use one without many holes or blemishes) and colors of the crystals on each of the slides you made record your observations on a sheet of paper or. A compare your observations from the fresh yogurt slide and the prepared y a describe what you observed in your plaque smear wet mount, direct staine observations in a cheek wet mount direct stained & indirect stained slide. We also made drawings of our observations using light and dissection microscopes to practice proper microscopy skills, including making wet-mount slides and cell sizing by observing, drawing, and classifying protista, we learned about the cell structure and movement patterns of these one-celled organisms.
Observations of bacteria with conventional bright field microscopy yield relatively a suitable smear be prepared on a microscope slide cells from a culture are spread in a thin film over a small area of the slide, dried, and then fixed by heating or with a chemical after you have stained your bacterial smears, you will examine them. Describe your observations from fresh yogurt slide you prepared in part iii several cells majority bacillus and cocci cells d were there observable differences between your fresh yogurt slide and the prepared yogurt slide if so, describe them only perhaps that there was far more cocci cells then bacillus e describe the four main. 4) make observations and draw what you see in your lab report booklet before continuing to step 5 5) place a droplet of 20% saline solution on the same slide next to and touching the coverslip 6) on the opposite side, place a kim wipe touching the coverslip/wet mount to wick the saline solution under the coverslip.
Describe in as much detail as possible your observations of the yogurt slide in the virtual microscope you should be looking at the phase contrast slide of yogurt bacteria be sure to include a description of the staining and of the shapes/arrangements of the cells. Today i will show you how easy it is to to make your own viili once you obtain the “seed” culture viili is a traditional heirloom yogurt from finland as with other heirloom yogurts , viili is prepared by backslopping a small portion from a previous batch into fresh milk and then leaving it to ferment at room temperature for 12 to 24 hours. The cookie settings on this website are set to allow cookies to give you the best browsing experience possible if you continue to use this website without changing your cookie settings or you click accept below then you are consenting to this.
Food explorations lab: magnificent microbes 10 share your milk type with the other groups be sure to record your observations (texture, color, and odor) for the two milk types you were not assigned in table a under the “after incubation” summarize the ingredients and environmental conditions needed to make yogurt 6 describe. Biology 100 – k marr (revised spring 2010) 1 lab 2 microscopic observation of cells prelab assignment 1 before coming to lab, read carefully the introduction and procedures of each part of the experiment if you and your group members are not familiar with the procedure before. Three mitosis and meiosis overview in this lab you will investigate the processes of mitosis and meiosis: 1 you will use prepared slides of onion root tips to study plant mitosis and to calculate the if your observations had not been restricted to the area of the root tip that is actively. Before you start building your slides, make sure you have everything you will need, including slides, cover slips, droppers or pipets and any chemicals or stains you plan to use you will be using two main types of slides, 1) the common flat glass slide, and 2) the depression or well slides. View the slide on low power to find an area where the yogurt is very thin switch to high power and see how many kinds of bacteria you can find one common type found in yogurt is lactobacillus acidophilus , so named because the bacteria are rod-shaped and produce lactic acid.
Soon while the discussion is still fresh in your mind this is important for both the then, during the course of the class, make notes of your observations based on what was discussed at your pre-review briefing if, for instance, the reviewee simply turned back on class to read powerpoint slide from the screen and did so often. Bacteria are microorganisms that grow everywhere we can collect and grow them in specially prepared petri dishes blood agar or tryptic soy agar with 5% sheep's blood is an excellent medium for supplying bacteria with nutrients and an environment in which we can see them grow. Microscopic observation of unicellular and multicellular organisms prelab assignment which objective should you begin your observations with • if you need to scan the slide to find the location of a specimen use the scanning objective (4x) c place a properly prepared slide (see below) on the stage and secure with the stage clips or.
Prepare the wet mount using the procedure in your notes carefully change the objective lens so that you are looking through a higher powered one keep your hands away from your face. You may be using prepared slides or using fresh cultures of these organisms a few cyanobacteria are anabeana, gloeocapsa, oscillatoria, and merismopedia your instructor may provide a survey culture of various organisms to key out and to examine. 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. Yogurt slide observation differences in observations of a fresh yorgurt slide and a prepared yogurt slideare there differences why or why not what would be the comparisons of these slides thank you for any help on micro homework 1 following 1 answer 1.
Escribe in as much detail as possible your observations of the yogurt slide in the virtual microscope you should be looking at the phase contrast slide of yogurt bacteria be sure to include a description of the staining and of the shapes/arrangements of the cells. Microscopy and cytology item per class per bench 1 di water 6 bottles 1 bottle be prepared to identify parts of the microscope and be able to describe their function 2 3 2 orientations of images through the microscope knowing this and based on your observations of the thread slide, which of the two objective lenses (4x) or (10x. Draw what you see in your notebook and record your observations 3 use good microscope techniques to observe the slide your group prepared during the gram staining lab draw what you see using low and high power. 23 procedure: (each student) 1 using a sterile inoculating loop, add 1 drop of sterile water to the slide prepare a mixed smear of escherichia coli (g- rod) and staphylococcus epidermidis (g+ coccus) 2.