volume ratio. As the surface area of the Agar cube increases‚ the rate of conductivity will steadily increase‚ too. The trend line of the graph shows as an exponential graph because at one point there will be no more conductivity due to too small or too big Agar cubes. A difference can be seen in the average rate of conductivity depending on surface area because the Agar cubes with a larger total surface area are able to diffuse the ions faster. When the Agar cube has larger surface area‚ more area
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Some food in this world are made using microorganism to produce a desire flavour‚ taste and texture of the food. For examples: yogurt‚ tapai‚ cheese‚ bread and others. Starter cultures is used in these food production. A starter culture is a microbiological culture which actually perform fermentation. These starters usually consist of a cultivation medium‚ such as grains‚ seeds‚ or nutrient liquids that have been well colonized by the microorganisms used for the fermentation. These starters are formed
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correct‚ I carried out an experiment where I grew bacteria on 14 different agar plates and placed garlic on seven of the agar plates and then had no garlic present in the other seven agar plates. All 14 agar plates were kept under the same conditions while the bacteria colony was growing in order to ensure that all factors were kept constant. From the results‚ it was evidently clear that the size of the bacteria colony of the agar plates without garlic with an average of 115.29 mm² was much greater than
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causative bacteria or fungus. Potato dextrose agar is a good nutrient agar for mycelia to thrive on which is present in most fungal moulds.1 Standard nutrient agar is a general utility used for non-fastidious microorganisms.2 Aim The aim is to isolate fungi and bacteria colonies from diseased and healthy leaves. Materials and Methods Materials used for the experiment was two of each: standard nutrient agar plate and potato dextrose agar plate. To remove any epiphytic or saprophytic
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turn the agar plate over and divide the plate into four quadrants and label the agar plate whether you used the E. coli or B. megaterium and number the quadrants 1 through 4. Please keep in mind that one pair will test the E. coli and Environment 1 or 2‚ and one pair will test B. megaterium and Environment 1 or 2. After‚ you will need to swab the E. coli and B. megaterium on two different nutrient agar plates using a sterile disposable inoculating loop. Remember not to dig in into the agar or the
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INTRODUCTION Background Totipotency is the ability of a single cell to divide and produce all the differentiated cells in an organism‚ including extraembryonic tissues. Totipotent cells formed during sexual and asexual reproduction include spores and zygotes. Zygotes are the products of the fusion of two gametes. In some organisms‚ cells can dedifferentiate and regain totipotency. For example‚ a plant cutting or callus can be used to grow an entire plant. Human development begins when a sperm fertilizes
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Title: What is the effect of concentration of acid on the rate of diffusion in agar blocks? Aim: To investigate how the concentration affects the rate of diffusion of hydrochloric acid through agar blocks Research Question: To determine how will different concentrations (0.1M‚ 0.2M‚ 0.3M‚ 0.4M‚ 0.5M) of hydrochloric acid affect the rate of diffusion of sodium chloride through agar blocks? Introduction-include prediction; information you have researched before Diffusion refers to the passive movement
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patients such as those suffering from cystic fibrosis or immunocompromised individuals. MIC methods are varies such as disc tests that give qualitative result‚ dilution tests which testing the ability of microorganisms to produce visible growth on several agar plates. It containing dilutions of the culture and antimicrobial agent.
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known as "red seaweed." The specific chemical that we are interested in is agar‚ which appears in red seaweed in abundance. When you hear Cereplast and other companies talk about developing bioplastic made from seaweed‚ they really mean that they will be using the chemical agar‚ which is extracted from the seaweed. Fortunately (or unfortunately?) this project won’t have you traipsing out to the ocean to collect seaweed. Agar is used as a food additive in confectionaries‚ desserts‚ beverages‚ icecream
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stain. * Observe the slides under microscope and record results. BIOCHEMICAL TESTS SUSCEPTIVITY TESTING Materials * MHA agar * Organism grown in Broth * Swabbing stick * Principle Procedure TSI (TRIPLE SUGAR IRON TEST) Materials * TSI agar * Straight wire loop * Cultured colony of organism * Purity plate Principle TSI agar detects fermentation of glucose 0.1%‚ lactose 1% and sucrose 1%‚ production of H2S‚ and gas formation. The medium contains ferric
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