indicated by the Benedict’s test. (6 points) corn syrup (1 point) table sugar (1 point) unknown 1 (1 point) unknown 2 (1 point) unknown 3 (1 point) unknown 4 (1 point) List whether each of the following substances was positive or negative for starch‚ as indicated by using iodine. (7 points) onion juice (1 point) water (1 point) cornstarch (1 point) unknown 1 (1 point) unknown 2 (1 point) unknown 3 (1 point) unknown 4 (1 point) The Sudan III test has been performed for you. Please see the
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Experiment #2 Resonance of Air Columns Connie Wang PHYS 2426 – 103 Partners: Deneen Ernst‚ Dalton Penn‚ and Trey Thompson DATA__________________________________________________________________________________________ Room Temperature: 21°C Theoretical speed of sound: 343 m/s Experimental speed of sound (average): 348 m/s Percent Difference: + 1.46% Frequency of Tuning Fork (Hz) | First Position of Resonance | Second Position of Resonance | Wavelength (m) |
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single layered‚ elongated cells Simple Columnar (duodenum) long columns in “S” shapes Stratified Squamous (keratinized) many layers‚ top cells flattened Stratified Squamous (non-keratinized) flat long strands with nucleus Pseudostratified Ciliated Columnar cells together in a column structure‚ single layer‚ elongated cells Transitional many layers of cube shaped and elongated cells Stratified Cuboidal (online) 2-3 layers‚ cube shaped cells Stratified Columnar (online) top layer of elongated
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F° 288K Ice water 1 minute 8 C° 46.4 F° 281K Ice water 5 minutes 5 C° 41.0 F° 278K Object Estimated mass (g) Actual mass (g) Actual mass (Kg) Mechanical pencil 4g 5.55g .00555kg 3 pennies 9g 8.7g .0087 kg 1 quarter 6g-7g 5.75g .00575 kg 2 quarters‚ 3 dimes 13g 18.3g .0183 kg 4 dimes‚ 5 pennies 20g 18.45g .01845 kg 3 quarters‚ 1 dime‚ 5 pennies 28g 34.0g .034 kg Key 6g-7g 7.65g .00765 kg Key‚ 1quarter‚ 4 pennies 25g 24.55g .02455 kg Mass A Mass B Mass B-A Liquid Volume
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Ecology ➢ Climate is weather conditions of a region like temperature‚ humidity‚ precipitation‚ sunlight pressure‚ winds‚ throughout the year over a period of time ➢ Ecology – is the study of the interactions between organisms and the environment ➢ Abiotic factors –temperature and water ➢ Microclimate – a classification at the small scale variation ➢ Dispersal – movement away fro origin ➢ Macroclimate – a classification at the global and regional level
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AP Lab Seven Genetics of Organisms Dan Torres AP Biology Block 1 January 24‚ 2011 Introduction & Background Fruit flies have made a huge contribution towards knowledge about genetics‚ but for most people‚ they are just annoying insects that are attracted to their fruit. Their scientific name is Drosophila melanogaster‚ and to scientists‚ they have been a key to understand many principles of heredity including sex linked inheritance‚ epistasis‚ multiple alleles‚ and gene mapping. Fruit
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1. Pour 2 cups of water in the pot add 1 tablespoon of sugar then stir it up until all sugar is dissolved. 2. Turn on the stove‚ set the stove to it’s highest setting‚ place the pot on and time it with a stopwatch. Record the time and temperature of the solution as soon as it begins to boil. Record the data on your table. 3. Rinse pot vigorously to remove impurities‚ and allow the stovetop to cool. 4. Pour 2 cups of water in the pot add 1 tablespoon of salt and stir. Repeat steps 2 and 3. 5
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Cintya G. Alarcon Donna Biology 121 section WDF Lab Report # 1 1.On the graph paper in Figure 3‚ plot a graph of your experimental results. Choose an appropriate number scale for the Y-axis and label it Number of Infections. Choose an appropriate number scale for the X-axis label it Number of Exchanges. 2. In a few sentences‚ summarize the results of the experiment. In your summary‚ include data from your summary chart and graph. Statements of results should include only facts—no interpretation
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timed it until I saw the water had stopped spreading on the paper towel. To randomize our data we had a sheet of random numbers that we used and we had four cases of replication‚ which went like this: • Rep 1: Bounty‚ School‚ Wal-Mart‚ Viva • Rep 2: Wal-Mart‚ Bounty‚ Viva‚ School • Rep 3: Viva‚ Wal-Mart‚ School‚ Bounty • Rep 4: School‚ Viva‚ Wal-Mart‚ Bounty Other materials we used besides the paper towels were: • A pipette • An iPhone stop-watch • And a three inch by two inch piece of each
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1/28/2015 sql lab @ home 2 | SQL LAB @ HOME SQL LAB @ HOME search Classic Flipcard Magazine Mosaic Sidebar Snapshot Timeslide sql lab @ home 12 sql lab @ home11 sql lab @ home 10 sql lab @ home 2 1. Display the details of all the customers. (Use the AdventureWorks database) select * from [Sales].[Customer] sql lab @ home 9 sql lab @ home 8 2. Display the ID‚ type‚ number‚ and expiry year of all the credit cards in the following format. (Use the AdventureWorks database) sql lab @ home 7
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