[ print page ] 3.01 Cell Cycle Lab Report Safety Notes: Always handle microscopes and glass slides carefully. Wash your hands after handling the prepared specimens. Materials: Compound light microscope Glass microscope slide with prepared onion root tip specimen Purpose: understand and identify the stages of the cell cycle and mitosis. apply an analytical technique to estimate the relative length of each stage of the cell cycle. Hypothesis: What do you predict you will find
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Osmotic and ionic regulation in animals. Oxford‚ Pergamon Press. Villee‚ C.A.‚ W.F. Walker Jr. & R.D. Barnes (1973) General Zoology‚ Sixth edition. Philadelphia: Saunders 97‚ 205‚ 566‚ 587. (plus any general or comparative text or animal physiology). 3 (Lab BI108)
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For this lab it was necessary to bring a watch with a second hand‚ as well as personal protective gear: lab coat‚ safety goggles‚ and safety gloves. It was best to work in pairs and one partner needed to be a timekeeper while the other one would record the data. The timekeeper then would announce every 5 second interval‚ beginning from when the enzyme was added to the tube. On the other hand‚ the recorder would read and record the absorbance from the spectrometer at the 5 second intervals. This was
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9 13 A to C 4 4 9 13.5 A to D 3.5 5.5 12 17.5 B to C 4 4 8.5 13 B to D 2 2.5 5 7.5 C to D 3 3.5 5.5 10.5 Analysis: Answer the following questions in complete sentences. Include the answers in theAnalysis and Conclusion section of your lab report. 1. How does the density and distribution of your “stars” change as the balloon expands? When the balloon is not inflated‚ the “stars” are closer together. Thus‚ they are denser. When the balloon is blown up‚ the universe is bigger‚ making the
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The purpose of the lab was to see how exercise affects homeostasis by measuring a person’s heartbeat‚ breathing rate‚ and sweat while they were exercising. The hypothesis I made was‚ if the volunteer starts to exercise‚ then the body will react by quickening the heart and breath rate as well as sweating to keep homeostasis in the body‚ therefore exercise does affect homeostasis. During the experiment there was some major observations that made the answer to the question clear. As the volunteer exercised
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How Much Sodium Bicarbonate Is In the Mixture? Lab Investigation 14 Chemistry 113 Lab 10/13/2011 1) Method 1: Adding acid NaHCO3 + HCl → NaCl + CO2 + H2O a) Unknown mixture of NaCl and NaHCO3 Mass of unknown mixture (NaCl + NaHCO3) | 3 g | Mass of HCl | 30 .31g | Mass of products ( NaCl + H2O ) | 26.98 g | Calculate mass of CO2 | 6.33g | Calculate mass of NaHCO3 | 12 .1 g | i) Calculation : Mass of CO2 = [Mass of unknown mixture (NaCl + NaHCO3) + Mass of HCl ] – [Mass of NaCl
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Lab # 4 Determination of Density of Liquids Name: Lab Partner: Period: 3 Date Completed: 9/23/2014 Date Submitted: 9/29/2014 Data TABLE 4 DENSITY OF SALT SOLUTIONS-INDIVIDUAL GROUP’S RESULTS Concentration (%) Mass (g) Volume (mL) Density (g/mL) 0 9.9522 10.00 0.9952 4 10.1291 10.00 1.013 8 10.5233 10.00 1.052 12 10.7487 10.00 1.075 16 11.0297 10.00 1.103 Unknown # 10.6234 10.00 1.062 Calculations 1. Show all density
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Homer Gere Science - Perry 7-3 Kober Balloon Lab Report Problem: The goal of the balloon lab was to get a balloon attached to a line all the way across the room. One limitation was that we could only use one balloon‚ two straws‚ and tape. The circumference of the circle at its largest point couldn’t be larger than 100 cm. Procedure/Results: Trial Number | Distance Traveled (CM) | Time (sec) | Velocity (CM/sec) | 1 | 346 | 1.02 | 339.2 | 2 | 471 | .79 | 596.2 | 3 | 356 | .8 |
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References: Moran‚ Shapiro‚ Munson‚ DeWitt. (2003). Introduction to Thermal Systems Engineering: Thermodynamics‚ Fluid Mechanics‚ and Heat Transfer. John Wiley & Sons. Manufacturing Engineering Lab II: Laboratory Manual. Department of Manufacturing and Materials Engineering. (2013). Various internet resources. Retrieved December 10th 2013.
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Roy Levin Bio 11 Lab Dr.Izquierdo Analysis of Macromolecules in Tissue Homogenates of Bos taurusMaterials and Methods The homogenates provided were made by homogenizing tissues in a sucrose phosphate buffer in a 1:20 ratio. The protein concentration in bovine cells was measured by diluting the homogenate with a 1:5 ratio; 50 microliters of homogenate and 200 microliters of water. Then 5 known protein concentration samples which were 0.4‚ 0.8‚ 1.2‚ 1.6‚ 2.0 mg/ml of bovine serum were used to
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