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    bio lab

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    environment? Indicator species are particular aquatic invertebrates that alert us to pollution problems in an environment. Indicator species are used to assess pollution because they change rapidly in response to changes in ecological variables‚ such as food availability‚ water temperature‚ amount of dissolved oxygen in the water‚ pH levels‚ and other factors. Suppose you are an ecologist studying the effects of acid precipitation on plant life. Describe an experiment you would perform in order to determine

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    Tensile Test Lab Report

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    used. The tension test is one of the laboratories which help students develop their knowledge in this course by practice. During the laboratory a Tinius Olsen Tension Test equipment was used‚ and the test samples were from low and high carbon steel and timber with grains parallel and perpendicular to the load. Test equipment and materials The test equipment used during the laboratory is one of the Benchtop Materials Testing Machines made by Tinius Olsen. This machine can test different types of

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    3.1 Ex-vivo Evaluation of the Mucoadhesiveness of Synbiotics Mucoadhesive properties prolong the retention time of the bead’s dose in the targeted site the colon [23]‚ [50]. Since the dose is intended to colonic release‚ mucoadhesion parameters play a key role in the efficiency of the form. The beads remain longer in contact with colonic mucosa when they have more mucoadhesive property. As a result the probiotics will have enough time to get released from beads and colonize the colon [37]‚ [51]

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    Bio and Food

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    Date: 9/10/2012 Title: Carbohydrates: monosaccharides & disaccharides Objective: To investigate the physical‚ functional and sensual properties of carbohydrates Introduction: Carbohydrates are the main energy source for human. There are different types of carbohydrates‚ monosaccharide‚ disaccharide and polysaccharide. Although different types of carbohydrates have different properties‚ they are important in human body‚ for example‚ glucose‚ glycogen‚ lactose‚ etc. This practical will

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    parallel bearing surface. These specimens were perpendicular to the axial load during all the tests‚ as shown in Fig. (3.15) and (3.16). Fig. (3.15): Preparation of cube specimens Fig. (3.16): Preparation of cylinder specimens 3.6. Test procedure: This section highlights the procedures used for testing the FBLWC specimens EXPosed to compression

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    Bio Lab

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    Kiriazis IB1 Biology 22 August 2013 Diffusion Lab Write-Up Research Question: How does the temperature of the water affect the diffusion of food coloring? Hypothesis: Food coloring will dissolve faster as the temperature of the water increases. Variables: Name of Variable | What is it? | How is it measured? | Units | Range of the data | Independent | Temp. of Water | Thermometer | oC (Celsius) | | Dependent | Rate of diffusion of food coloring | Stopwatch | Min (Minutes) | |

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    The Effects of Environmental Stimuli on Animal Behavior AP Biology Emily Olsen April 26‚ 2012 I. Introduction: The purpose of this lab is to test the effect certain stimuli has on the behavior of a terrestrial isopod. These bugs are more commonly known as pill bugs and potato bugs. The objective of this experiment is to determine which kinds of habitats potato bugs favor. Potato bugs have an innate behavior called taxis which will cause the animal to move away from a stimulus that is unwanted

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    Melissa Morales Bios 101 Spring 2013 Demography- Human Life History Introduction Demography is the study of human populations. It studies the size‚ composition and distribution of a population‚ and the process through which a population changes. Demography allows us to track changes over time and to depict how different periods in history change population dynamics. Births‚ deaths‚ migration and emigration‚ jointly produced the change within a population (Biological Science). Demography

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    Addison's Test Lab Report

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    amounts of glucose‚ amino acids‚ urea‚ and salts in urine. To test this we used different chemicals that would react with one of the four items above showing either a high concentration or low concentration within the urine. By using a solution called silver nitrate we could test whether or not salt was present in the urine. If the urine turned a cloudy white after adding the silver nitrate the urine had a high concentration of salt. To test for amino acid we used a chemical called biuret solution. If

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    Bio 102 Lab Report 1

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    Dayanna Chiriboga  02/03/2015  Lab Report #1   Genetics 1  χ²​  Results​ :  Phenotype  Expected  Expected  Observed  Ratio  Counts  Counts  (Eͥ i)  ͥ (Oi)  Deviation  (di)  =(Ei­Oi)  di² =  (Ei­Oi)²  di²/Ei  Purple  75%  657  642  15  225  .34  Yellow  25%  219  234  ­15  225  1.03                                                                                                             ​ Χ² = ∑ (di / Ei) = 1.37  According to the chi square chart values we are 80% confident that our hypothesis is correct

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