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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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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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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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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CORE BIOLOGY PRACTICALS You will need to know these practicals as the exam board may ask you questions based on them. Below is a summary of each one. Name of practical and independent & dependent variables Effect of caffeine on Daphnia heart rate Independent: caffeine concentration Dependent: heart rate of Daphnia Measuring the content of Vitamin C in fruit juice Independent: fruit juice Dependent: volume of juice required to decolourise 1cm3 of DCPIP The effect of temperature on cell membranes
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soluble bases‚ emulsifying bases and vegetable oils. The medicaments are dispersed throughout the solution by the bases. Petroleum jelly‚ which is one of the major components in producing ointments‚ is a semi-solid mixture of hydrocarbons (with carbon numbers mainly higher than 25)‚ originally promoted as a topical ointment for its healing properties. After petroleum jelly became a medicine chest staple‚ consumers began to use it for myriad ailments and cosmetic purposes‚ including toenail fungus‚ male
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materials used in this study were Duranta leaves‚ Fusarium sp.‚ petri dish for the containment where cultures of Fusarium sp. were grown. Ethanol for extracting the Duranta leaves. Erlenmeyer flask for containment of the concentrations. Potato Dextrose Agar (PDA) served as the food of the fungus. Gloves‚ face masks and lab gown were also needed for laboratory safety rules. Preparation of Different Concentrations and Treatments Fresh Duranta leaves were collected for extraction. Leaves of Duranta
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DETERGENT PESTICIDE DISINFFECTANT PRESERVATIVES ADDITIVES MEDICINES BLEACH PETROLEUM JELLY ALUMINUM FOIL CORN STARCH NAME.ROMELYN.VILLAMAYOR YR&SEC; IV-EDISON TEACHER; MRS. SALUDES NAME:ERICA E. VILLAMAYOR GR&SEC: VI-MALINIS TEACHER:MR:PENIDA A detergent is a surfactant or a mixture of surfactants with "cleaning properties in dilute solutions."[1] These substances are usually alkylbenzenesulfonates
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especially in its merchandising department. We currently offer over 300 varieties of confectionery to our customers‚ including some of the world-renowned brands in the industry. Some of the major brands we carry are Wonka‚ Jelly Belly; the world’s number one gourmet jelly bean‚ Russel Stover; number one sugar-free confectionary in the U.S. and the classic‚ but delicious Roca products from Brown and Hailey. Candy Corner’s growth and expertise in management is evidenced by its continuous expansion
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to combat bacteria. Hypothesis If bacteria is exposed to garlic‚ then the garlic will to abolish the Escherichia coli‚ because the Escherichia coli (E. coli) is usually a weak bacteria. Procedure Have three petri dishes prepared with blood agar‚ and three test tubes with 100 milliliters of milk. Label three test tubes‚ “A‚” “B‚” and “C.” With a toothpick‚ add a small amount of the E. coli specimen to tube “B"; shake the test tube to mix throughly. For test tube “C‚” add the same amount
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