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 Tube(6)‚ 16 x 125 mm in Bubble Bag‚ 1 Test tube holder‚ 1 Test-tube-rack-6x21-mm‚ 1 Pipet Graduated Small (5 mL)‚ 1 Baker’s Yeast Packet – Saccharomyces cerevisiae‚ 1 Agar‚ MRS - 18 mL in Glass Tube‚ 4 Agar‚ Nutrient - 18 mL in Glass Tube‚ 1 Broth
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penguins. Not many foresaw the radiating shine of the Moon jellies swimming in their glimmering tank. Their unique resplendent glowing bodies propelled smoothly through the water. At sudden first glance these aquatic invertebrates seem like something from outer space. Though in reality they are a very common species of jellies that live in the temperate and tropical shallow waters of the ocean or at home in an acrylic tank. Like all animals Moon Jellies have their own special features such as their body
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of different concentration of protease. In this experiment‚ a plate of milk agar is needed for comparing the result of each sample. Circular wells were dug on the milk agar plates by the use of cork borer‚ and extracts could be put into the wells by dropper. One must note that milk-agar is white in color due to casein. If protease is present‚ casein will be digested by the enzyme giving a clear zone in the milk-agar plate. The size of the clear zone can help us to determine whether fruits differ
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in partial fulfilment of requirements in Biology 101.1 under Prof. Kimverly Hazel Coronel‚ 1st sem‚ 2013-2014 ABSTRACT The effect of molecular weight on the rate of diffusion was assessed using the agar-water gel test. The agar-water gel set up was composed of a six petri dish of agar-water gel containing two wells. Pinch of potassium permanganate (KMnO4) and methylene blue (C16H18N3SCl) were simultaneously introduced to each dish and measured the distance and its rate. Methylene blue‚ having
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environment keep on changing meaning they went form grabbing the mixed food from the table to grabbing Jelly-beans from table to grabbing jelly-beans from the carpet to grabbing popcorn for the carpet making it hard for some utensil (bird beak) to grab the food and surviving which eventually caused them to die. Not only did the environment change but the food source also chance. It went form mixed food to jelly beans and popcorn but as the food change and the amount of food got limited causing the non-fitness
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appropriate media using aseptic transfer techniques. The necessity and value of collecting‚ identifying and analyzing is critical for learning how diseases are acquired‚ spread and therefore prevented. Materials Sterile nutrient agar petri dish Wax Pencil Lens paper Sterile blood agar petri dish Igniter Immersion oil Sterile cotton swabs Crystal violet dye Pen Incubator Grams iodine Paper Refrigerator Alcohol acetone Distilled water Safranin dye Inoculating loop Sink Bunsen
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Plant Tissue Culture 151 Chapter 9 Plant Tissue Culture Techniques Lorraine Mineo Department of Biology Lafayette College Easton‚ Pennsylvania 18042 Lorraine Buzas Mineo (B.S.‚ Muhlenberg College; M.A.‚ Duke University) is a lecturer in the Department of Biology‚ Lafayette College‚ and has taught botany since 1978 and supervised the General Biology Laboratories since 1970. Research interests in physiological and forest ecology have culminated in several publications. Other interests include
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Practical guide to detection and identification of Phytophthora Leaf blight A number of Phytophthora species cause leaf blight. These include: P. infestans on potato and tomato; P. palmivora on a large number of tropical fruit species including rubber‚ durian and macadamia; and P. colocasiae on taro. These blights on leaves are first seen as small flecks but within 3-5 days they expand to produce large lesions. Initially‚ infected tissue is water soaked but becomes necrotic (brown or black) in
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Jelly bean tasting Aim: to decide which gender is better at determining the flavour of jelly beans using the sense of smell and taste. Materials: • jelly beans to taste • Blindfold to make sure students cannot identify flavour of jelly bean by colour • Snap-Lock bag to carry jelly beans in • Glass of water to refresh taste buds after each Jelly bean Hypothesis: If students are only allowed to use their sense of taste when guessing jelly bean flavour. Then females are more likely to guess
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Crystal jellyfish The Crystal jelly fish is a very unique marine animal. Known as the crystal jellyfish its scientific name is well known to be the Aquarium Victoria. The Aquaria Victoria is a saucer shaped Hydromedusa with a well developed velum‚ its size ranges within five to twelve centimeters in diameter. It has eighty or more narrow unbranched radial canals witch can extend to the margin of the bell. All tentacles extend from the margin of the bell‚ making the slender gonads run along most
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