This lab has introduced the use of daphnia‚ pill bugs‚ amoeba and Uglena. We the AP Biology students were first introduced to the test subjects to test his or her capability of handling living organisms for upcoming science experiments. The AP Biology students were asked to create original experiments for all test subjects testing reactions to gravity‚ light intensity and reaction to food. Daphnia‚ or Daphnia magna‚ are microscopic organisms in which the students created an original lab to test
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Title: Benedict ’s test for Reducing Sugars Testable Question: Are all carbohydrates reducing sugars? Hypothesis: If the carbohydrate contains available ketone or aldehyde molecules then they are reducing sugars. Variables: a. Independent: Function groups react w/ reagent b. Dependent: Color change (red‚ orange‚ yellow) Control: Water Materials: - 4 mL of each solution (Water‚ Starch‚ Glucose‚ Maltose‚ Sucrose‚ Onion Juice‚ Potato slice‚ Milk) - 8 test tubes
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Cited: Sullivan 8 Franks‚ RL. “Growing Genetic Corn.” Volume 43. Biological Supply Company (1980): 180-181. Heim‚ Werner G. “What is a Recessive Allele?.” Volume 53. The American Biology Teacher (1991): 35-36. Raven‚ Peter R.‚ and George B. Johnson. 1996. Biology (4th Ed.). LWMC Brown‚ Dubuque IA. Russell‚ Peter J. 2003
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conducted on 13th August 2008 in Machines Dynamics Laboratory. The experiment was conducted in groups of four‚ and was supervised by lecturer Mr. Mohd Azahari Johan. Conducting this experiment is for fulfilling the requirements of Applied Mechanics Lab (MEC 424). A pendulum is defined as body so suspended from a fixed point as to swing freely to and from by the alternate action of gravity and momentum. It is used to regulate the movements of clockwork and other machinery. Therefore‚ a compound
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the period of oscillations to the length of the pendulum.Sources of error for this procedure included precision in both length and time measurement tools‚ reaction time of the stopwatch holder‚ and the accuracy of the stopwatch with respect to the lab atomic clock. The final result of g takes into account the correction for the error introduced using the approximation. There are opportunities to correct for the effects of mass distribution‚ air buoyancy and damping‚ and string stretching[1]. Our results
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Synthesis of Butyl Benzoate Using Phase Transfer Catalysis The objective of the experiment is to synthesize the butly benzoate by nucleophilic substitution and characterize it by IR spectroscopy. The percent yield of the final product is determined after the synthesis. Procedures: 2.0 mL of 1-bromobutane‚ 3.0 g of sodium benzoate‚ 5.0 mL of water‚ 4 drops of Aliquat 336‚ and a boiling stone were placed in a 50mL round-bottomed flask. The reaction mixture was refluxed for 1 hour and the flask
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# Now You See It – Copper Cycle Lab The purpose of the lab is to discover what happens when someone executes a series of procedures‚ beginning with copper metal. What is done | What is observed | 1. Started with copper‚ Cu (s). | reddish‚ brownish‚ orange-ish‚ powder-like | 2. Added nitric acid‚ HNO3 (aq). | acid turns blue and smells like chlorine. | 3. Added water‚ H2O (l). | stayed the same | 4. Added sodium hydroxide‚ NaOH (aq). | changed consistency‚ gel-like | 5. Heated the
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Tittle : Investigation of the Enzymatic Effects of Materials on Hydrogen Peroxide Solution Objective: To investigates the enzymatic effect of various materials in the hydrogen peroxide solution. Table 1 Test Tube Contents with 5 cm3 hydrogen peroxide Observations before and after using wood splint Observation of after Observation of after adding hydrogen using wooden glowing peroxide splinter 1 Fresh liver Moderate
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Alexander Shulgin‚ world renowned biochemist is quoted asking “...but the important question is‚ what isn’t DMT in?”. Its described well by Dr. Rick Strassman‚ the only scientist given permission to study it in the last 40 years as; “The Spirit Molecule”. Many believe this substance‚ which flows through every human’s veins may be a link between the mundane world and spiritual world. DMT use‚ albeit nothing like the pure substance that is used today has been traced back to 8th century Chili
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BIOLOGY TENTH EDITION Global Edition Campbell • Reece • Urry • Cain • Wasserman • Minorsky • Jackson 5 Biological Macromolecules and Lipids Topic 1 Biological Molecules (Part 4) Lecture Presentation by Nicole Tunbridge and Kathleen Fitzpatrick © 2015 Pearson Education‚ Inc. Learning Outcome a) Describe structure and composition of nucleic acids‚ DNA and RNA. b) Discuss the importance of base pairing and hydrogen bonding. ©© 2015 Pearson Education Ltd 2011 Pearson Education‚ Inc. Concept
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