and what if any safety precautions needed to be followed. For this lab I had to prick my finger‚ then with the bleach solution I had to dab it and then carefully drop the blood on the slide. Once I was finished I had to take the second slide and smear the blood. I had to let the slide dry. Then I had to prick my finger again and make 3 more slides. Then I had to mix the chemical with a toothpick and then look under with the microscope. Because I had to prick my finger I had to make sure the pin
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development of cervical cancer; and that other factors‚ such as cigarette smoking‚ poor nutrition and infection with the sexually transmitted disease Chlamydia‚ stimulate and lay the groundwork for cervical cancer. Developed countries that have pap smears show a lot less cases of cervical cancer‚ because
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slide. Third‚ poke the inside of your finger with the lancet. Squeeze your finger to place a drop of blood on a clean slide. Drop the blood toward one end of a slide. Tilt the cover slip toward the drop. Lay the cover slip flat across the blood smear. Data Table: Slide 10x 40x 100x Bacteria bacillus form Tiny dot Dots looking more like a shape Small rods Bacteria coccus form
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Some cancer prevention is based on systematic screening in order to detect small irregularities or tumors as early as possible even if there are no clear symptoms present. Breast self-examination‚ mammograms‚ testicular self-examination‚ and Pap smears are common screening methods for various cancers. Researchers from Northwestern University Feinberg School of Medicine in Chicago reported in the journal Circulation that the 7 steps recommended for protection against heart disease can also reduce
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1 Biology 2070H - Lab #1 MICROSCOPY AND CHARACTERIZATION OF CELLS Introduction: Cells can be very difficult entities to study. They are usually very small and transparent‚ yet extremely complex. Fortunately‚ there are many tools available to the cell biologist that aid in their study. The light microscope is to this day perhaps the single most important instrument used in Cell Biology. It is used under bright field conditions to study the organization of cells in fixed and stained sections
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distinguishing between types of bacteria and it is the most useful staining procedure used today (Seeley and others 1991). In this kind of staining procedure‚ a basic dye‚ a mordant‚ a decolorizing agent and a counterstain is needed. First‚ prepare smears of an unknown culture‚ then spread a drop of the culture on a slide and let it air dry. After air drying‚ heat fix this slide by passing the slide three times through a bunsen flame. This allows the cells to adhere to the slide. Following the heat
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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. A. Eyepiece – transmits and magnifies the image from the objective lens to the eye. B. Main tube – moves vertically for focusing C. Nosepiece– holds the objective lenses and rotates them. D. Objective lens - Objective lenses provide
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will be added to the slide. A smear will be prepared on this droplet by using fresh culture of bacteria and then will be air dried and heat fixed. The smear will be flooded with malachite green (0.5% aqueous solution). The slide will be heated so that malachite green will be steamed for 5 min but will not allow evaporating. More malachite will be added by heating the slide over again. Then the slide will be cooled and will be washed under running water. Then‚ the smear will be flooded with counter
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Workbook Unit 308 Identify methods of controlling plaque and the advice you would give patient for that method (O1AC1) Method Advice that would be given with method Manual Brushing Daily brushing of your teeth and gums and cleaning between your teeth is important because it removes plaque. If the plaque isn’t removed‚ it continues to build up‚ feeding on the food debris left behind which could result in causing tooth decay and gum disease. Brushing Technique
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10. Bunsen Burner (Lighter will suffice) 11. Microscope 1. Prepare and heat-fix smears. 2. Stain the slides as follows: a. Flood the crystal violet for one minute. b. Pour off excess dye and wash gently in tap water and drain the slide against a paper towel. c. Expose the smears to Gram’s iodine for one minute by washing with iodine‚ then adding more iodine and leaving it on the smear until the minute is over. d. Wash with tap water and drain carefully. (Do
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