Agar From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Not to be confused with auger or augur. For other uses‚ see Agar (disambiguation). Culinary usage Mizuyōkan - a popular Japanese red bean jelly made from agar. Scientific usage A blood agar plate used to culture bacteria and diagnose infection. Agar or agar-agar is a gelatinous substance derived by boiling[1] a polysaccharide in red algae‚ where it accumulates in the cell walls of agarophyte and serves as the primary structural
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The materials used in the process of the petri dish were the petri dish. Then the nutrient agar was used in the petri dish. Also a cotton swab(Equate) was used in the process as well. The last thing used was 2 pieces of tape to close up the petri dish. First the tape was taken off the petri dish. The Equate Q-Tip which was bought from Sam’s Club. After the petri dish was taken to the bathroom to grab the sample needed for the petri dish. Then the Q-Tip was rubbed about 7 to 8 times in the
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The in vitro antibacterial activity was performed by agar disc diffusion method. Muella Hinton agar was prepared and autoclaved at a specified temperature and pressure. The medium was then cooled and 20mL of the medium was poured into a sterile petri dish and allowed to solidify. A sterile wire loop was used to transfer a colony of test organisms into a test tube with 2mL peptide water. A swab stick was dipped into the test tube containing the organisms and it was used to seed the organism on the
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people who don’t like the cold temperatures will do things inside‚ just so they don’t go outside. This shows how a stimulus can affect an organism’s behavior and what they do. Hypothesis: For my hypothesis I wrote‚ "If the pill bugs are in the petri dish with the other chemicals then they will go to the filter paper where the sugar is more so then the other filter paper that has chemicals on it". I choose this hypothesis for many reasons. First off‚ I know that most organisms‚ bugs‚ insects‚ etc…
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22 prepared nutrient agar in petri dishes • Timer • Starburst candy (11) • 22 sterile swab • ½ slice of Bologna- Oscar Myer (11) • Sterile gloves G. Procedures 1) Prepare 4 petri dishes with nutrient agar. 2) Put on your sterile gloves 3) Pick up your first food (Starburst candy) and drop it on the ground. 4) Start the timer. 5) Pick up the Starburst candy from the ground after 3 seconds. 6) Swab Starburst candy with a sterile swab. 7) Open the top of the petri dish and take the swab in a zigzag
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Rate of Evaporation of Different Liquids Objective of the Project This project is of the rate of evaporation of different liquid‚ in which we also discuss the factors which affect the rate of liquid. Introduction When liquid is placed in an open vessel. It slowly escapes into gaseous phase ventually leaving the vessel empty. This phenomenon is known as vaporization or evaporation. Evaporation of liquids can be explained in the terms of kinetic molecular model although there
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side on the petri dish. Control: The unlighted side of the opened up petri dish. Purpose: To determine the light sensitivity of terrestrial isopods (rolypolies) in different levels of lighted environment. Number of Trials: Three 30‚ 60‚ and 90 second trials for each specified level of light at 1‚ 2‚ and 3 meters distance. Constants: The temperature of the room‚ petri dish‚ time trials for each trial of light distance testing‚ and the number of trials. Materials: Clear petri dish‚ one projector
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culture media and the uses for each‚ learn and employ the streak and pour dish techniques‚ and generate a pure culture of a specific organism. Set Up: For this experiment I needed: 1 Distilled water‚ 1 Paper towels‚ 1 10%-bleach or 70% alcohol solution‚ 1 Zip bag‚ 1 Pan to heat agar‚ 1 Isopropyl alcohol (rubbing alcohol)‚ 1 Cultures: S. epidermidis and L. acidophilus‚ 1 Gloves‚ Disposable‚ 1 Pencil‚ marking‚ 11 Petri dish‚ 60 mm‚ 2 Candles (flame source)‚ 1 Thermometer-in-cardboard-tube‚6 Test
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energy in green plants. The objective of this experiment is to measure the rate of photosynthesis Hypothesis: The petri dish that is exposed to the most light and with the NaHCO3 solution will have the best results and the petri dish that is kept in the dark will have the poorest results. Material and Methods: 1. Get 4 deep petri dishes and label them 1‚ 2‚ 3‚ and 4. Fill dish 1 about 2/3 full with distilled water. Fill the other 3 about 2/3 full with 0.2% NaHCO3 solution. Set these aside for
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bacterial inhibitor; therefore‚ they save both money and time. If the disinfectants are applied to the bacteria‚ then the zone of inhibition will increase because disinfectants are antimicrobial agents that are applied to non-living objects‚ and a petri dish is a nonliving
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