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    Bio Lab Report

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    General Biology I‚ Fall 2011 Lab Report 3 Name: Luan Nguyen Date: 11-30-11 Lab: Gel Electrophoresis Purpose of this lab: In this laboratory investigation‚ students will analyze hypothetical human DNA using restriction endonucleases and gel electrophoresis to match samples from a crime scene to a suspect. Introduction: Your analysis unit will use gel electrophoresis to determine the guilty party. Electrophoresis is a technology in science that allows an individual to separate

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    Chem Lab report

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    the unknown concentration of dye in a sports drink. Materials: Beakers‚ 50-mL‚ 2-3 ; Test tubes (13 x 100)mm 3-8 ; FD&C Blue 1 stock solution‚ 50-mL ; Lens tissues ; Pipets‚ serological‚ 10-mL ; Sample of consumer sports drink‚ 10-mL ; Spectrophotometer ; Test tube rack Procedure: 1) Preeminently‚ follow all laboratory safety guidelines ensuring that you have safety goggles on at all times throughout the lab. 2) Fill the cuvette 2/3 of the way with water. 3) Select the appropriate wavelength

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    Enzyme Lab Report

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    a separate test tube. After setting up the test tubes‚ 1 mL of hydrogen peroxide was added to each tube of extract. The thickness of the foam layer that was created in each tube was measured in millimeters. The effect of Temperature on Catalase The effect temperature had on the action of each catalase. In the liver cells‚ the hypothesis was tested based on: Temperature has no effect on catalase activity. First‚ 50 μl of liver of extract was added along with 1 mL of water in four test tubes. Then

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    Spinach Lab Report

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    refracted‚ by the angles and plane faces of the prism and each wavelength of light is refracted by a slightly different amount” (Davidson‚ 2015). This means white light is every visible light‚ meaning white light would best be absorbed by plants. You could test this by conducting an experiment with several plants‚ all of the same height and breed‚ leaving half in the sunlight and moonlight and the other half under lights that aren’t white‚ blue‚ or yellow to see which light would have the best photosynthetic

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    Anxiety Lab Report

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    Anxiety Lab Report Abstract: The aim of this study is to investigate the relationship between cognitive anxiety‚ somatic anxiety and self confidence in two different situations; non-stressful and stressful. It is to examine the effects on anxiety of a simple golf putting task. The stressor used in this experiment can be described as situational‚ namely the stressor of social comparison‚ the type of stressor that leads many performers to question their own ability which in turn evokes symptoms

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    Bacteria Lab Report

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    Abstract: Bacteria consists of a large domain of prokaryotic microorganism in which can fight of antibiotics allowing the bacteria to become antibiotic resistant. In this lab report‚ we discover the most effective disinfectant that would work best in killing the harmful bacterial strain‚ Bacillus subtilis. KB testing or disc diffusion antibiotic sensitivity testing is measured through the diameter in millimeters to find how resistant the antibiotic to the bacteria. The hypothesis of Windex fell correctly

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    Enzyme Lab Report

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    more concentrated solution of amylase (1>5)‚ the reaction rate will be faster; therefore test tube 1 will have the quickest reaction rate. The rate of disappearance of starch in amylase can be shown by diluting amylase in a 1:1 ratio but using Tube 1 to create Tube 2‚ Tube 2 (a mix of 1 and 2) to create Tube 3 and so on for 5 Tubes. Materials test tube rack 10 standard test tubes wax pencil test plate flask of distilled water beaker of distilled water 5mL graduated cylinder 1 calibrated

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    biology lab report

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    Protocol for Lab 5 – Aerobic Respiration Part 1 Isolation of Mitochondria from Cauliflower - Weigh 50g of rosettes cut from fresh cauliflower head. - Cut rosettes and place it on ice - Prepare juice extractor by placing ice and an empty 150 ml beaker into the right compartment. - Collect pulp from left compartment and record total volume of the extract. Approx. 20ml - Filter the pulp using six layered cheese cloth and collect it in a beaker sitting on ice. - Place two 50 ml test tubes in the

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    Photosynthesis Lab Report

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    AP Bio Block B Photosynthesis Lab 12/6/12 Introduction: Photosynthesis is affected by light intensity‚ water‚ and temperature. Plants grow more abundantly because the weather is warm. Carbon Dioxide given off by animals is consumed by plants that replace the oxygen animals take it. Experimentation will help understanding how plants are vital because of the oxygen they release. If leaf disks in the experiment release oxygen‚ they will undergo photosynthesis and float. If

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    Knobs Lab Report

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    A company has specified that the acceptable size of a knob that is to be produced is (0.140 ± 0.003) inches. In this lab‚ the dimensions of the knobs produced in one day are tested for discrepancy in order to pass control testing. This lab also reports the probability that knobs with the acceptable dimension will be produced. MATERIALS AND METHODS Using Microsoft Excel‚ a histogram was created displaying the three documented dimensions of 15 batches of knobs. This histogram was obtained in order

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