Version 2: Identifying Dominant Plant Species 1- Hypothesis Based on the results‚ the bunchberry plant‚ with a scientific name of Cornus canadensis‚ was most frequently seen in station four‚ the ecotone‚ and second most in station five‚ the forest which is most likely in the lower forest since it has a similar environment to that of station four‚ and third most in station three‚ the bog. It was not as frequently seen in areas of higher elevation such as the old field. It should be noted that
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Reactions Enzymes are proteins found in living things that speed up chemical reactions. They aid in nearly all metabolic processes‚ such as food digestion‚ molecule synthesis‚ and the storage/ release of energy. An enzyme speeds up the rate of the chemical reactions by lowering the reaction’s activation energy‚ which means that by definition‚ an enzyme functions as biological catalyst. The activation energy is the energy that is used to get a reaction started. The function of an enzyme is dependent
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generation of secondary messengers that go on to regulate other physiological processes‚ as well as being responsible for the activation of some ion channels and enzymes and assisting in trafficking of proteins to the cell membrane (5‚ 8). Why is PIP2 then so important in hippocampal cells? PIP2 is a substrate for hydrolysis by the enzyme phospholipase C (PLC)‚ whereby the products of this interaction are the secondary messengers‚ diacyl Glycerol (DAG) and inositol trisphosphate (IP3) (6‚ 8) that
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Introduction In this experiment‚ to measure residency effect in crickets‚ the experimental organism is the house cricket‚ Acheta domesticus which is native to southwestern Asia but lives commonly in the eastern side of the United States (Ghouri 1961). I hypothesize that a residency effect will take place when a “intruder” male is placed in the container of a resident male‚ causing the cricket who owns the territory to fight more aggressively and remain dominant over that area. The independent variable
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the stroop effect. It was this type of research that inspired others and prompted them to conduct research of their own in this area of study‚ and that is exactly what was done for this laboratory experiment as well. The overall hypotheses for this experiment were‚ as expected‚ conclusive with the results‚ however‚ there was a discrepancy in the hypothesis of experiment two. The comprehensive hypotheses for this experiment were that in each experiment‚ there would be a significant effect in reaction
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molecules‚ such as RNA molecules in the “RNA World” hypothesis‚ essential to the most popular hypotheses about the origin of life on Earth? Becuase‚ RNA is able to store genetic info just like DNA‚ and is also able to catalyze chemical reactions like an enzyme‚ so RNA could have played a big role in the evolution of cellular life. 4) How might similarities and differences in genetic codes‚ or the proteins built as a result of these codes‚ be used to determine how closely related different species are
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This lab is adapted from the canned denatured pineapple experiment. Instead of investigating the effect of canning on enzyme activity‚ we look for the presence of the substrate. This is a useful teaching lab for all the criteria and requires very few resources. Background Information: Gelatin is made from a protein called collagen which comes from the joints of animals. Gelatin may be dissolved in hot water. As the dissolved gelatin mixture cools‚ the collagen forms into a matrix that
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The effect is named after John Ridley Stroop‚ who published the effect in English in 1935 in an article entitled Studies of interference in serial verbal reactions that includes three different experiments.[1] However‚ the effect was first published in 1929 in German‚ and its roots can be followed back to works of James McKeen Cattell and Wilhelm Wundt in the nineteenth century.[2][3][4] In his experiments‚ J. R. Stroop administered several variations of the same test for which three different
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To investigate the effect of temperature on an enzyme controlled reaction Introduction and planning For the investigation of enzymes‚ I am going to conduct an experiment to see how temperature can affect the rate of reaction of enzymes by testing it with starch. The enzyme that we are going to use is called amylase. We are going to test this enzyme with starch. By mixing amylase and starch solutions together under different temperature conditions‚ we can record the rate of reaction by taking a
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Part I - Introduction Enzymes are proteins that act as catalysts to regulate metabolism by selectively speeding up chemical reactions in the cell without being consumed during the process. During the catalytic action‚ the enzyme binds to the substrate – the reactant enzyme acts on – and forms an enzyme-substrate complex to convert the substrate into the product. Each type of enzyme combines with its specific substrate‚ which is recognized by the shape. In the enzymatic reaction‚ the initial rate
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