Review Sheet Exercise 12 Serological Testing NAME Kali Rothfuss LAB DATE/TIME 6/22/11 Positive and Negative Controls 1. Why are there a number of washing steps in serological tests? The are a number of steps needed in order to remove any non specific binding that may have occurred. 2. Describe how you would know that you had a “false positive” result. What does this mean for the rest of your results? A positive result with a negative control indicates a “false positive”
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AP Lab #5 Plant Pigments/Photosynthesis I. Identifying the Effects of Different Variables of Light and Carbon Dioxide on the Rate of Photosynthesis and Observing the Separation of Pigments Through Chromatography II. Introduction Plants have a variety of pigments‚ all of which absorb a different color of light. The three main pigments are chlorophyll a‚ chlorophyll b and carotenoids. Chlorophyll a is the primary plant pigment that absorbs red and blue light‚ which ultimately appears green to the human eye
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(2012‚ February 6). Kaspersky Lab CEO backs out of IPO plan. Retrieved from‚ www.Techworld.com. Holt‚ Kris. (2012‚ May 15). Apple Makes Strong Showing in American Customer Satisfaction Index Debut. Retrieved from‚ www.tmcnet.com/topics/articles/2012/05/15/290472-apple-makes-strong-showing-american-customer-satisfaction-index.htm#ixzz1waQbDofn www. Jahangiri‚ Bonnie. (2008). The History of Ahmad Tea. Retrieved from‚ www.ehow.com. Kaspersky.com. (2012‚ March 23). Kaspersky Lab shows 864% growth in 5 year
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Lab 2 Sara Rodriguez Period 2 Purpose: What is the more accurate way to measure volume‚ by using displacement or by using a ruler? Hypothesis: If the method of displacement is used ‚ then the results will be more accurate than measuring the volume using a ruler. Materials: -250 mL graduated cylinder -Triple beam balance -A weigh boat -Ruler -Samples Procedure: 1. Gather materials such as ‚ samples‚ weigh boat‚ triple beam balance ‚ graduated cylinder‚ ruler and water. 2. Take the materials
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Scientific Writing and Standard Components of a Lab Report INTRODUCTION Writing is a powerful tool. Effective communication is necessary to succeed in any field. As a professional‚ you must communicate with both your colleagues‚ and the community at large. Writing is the means of showing the value of your work. The specific style of writing in science is based on the unique audience of readers. In addition‚ writing allows one to organize one’s thoughts and clarify ideas‚ and it fosters abstract
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[ 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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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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hold another paperclip at the appropriate distance: six cm‚ seven‚ eight‚ nine‚ ten‚ twelve‚ fourteen‚ sixteen‚ eighteen‚ and twenty centimeters. 5. Lab partner must close eyes tightly. 6. Starting with the largest distance‚ place either one or two ends onto your partners skin (ALTERNATE RANDOMLY so the partner can’t guess!!!) 7. Have lab partner tell you how many ends they can feel. Do this 5 or 6 times. 8. Then try the next smaller distance and repeat steps 6 and 7. 9. Record
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Section – I : Quantitative Techniques & Data Interpretation 5 th of Vinod’s salary and Vinod’s salary is 25% less than Pradeep’s salary. If 6 Pradeep’s salary is `24‚000‚ then what is the salary of Sameer? (a) `30‚000 (b) `20‚000 (c) `15‚000 (d) `28‚000 1. Sameer’s salary is 2. The range of values of x for (a) x [1‚ 2] [3‚ ) x2 0 x² 4x 3 (b) x [1 2) [3‚ ) ‚ (c) x (1‚ 2) (3‚ ) (d) None of these 3. Find the principal‚ if the difference
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Lab 1 – Introduction to Science Exercise 1: The Scientific Method Dissolved oxygen is oxygen that is trapped in a fluid‚ such as water. Since many living organism requires oxygen to survive‚ it is a necessary component of water systems such as streams‚ lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of parts per million (ppm). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of
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