The purpose of this lab was to determine how different conditions could affect one’s heart rate. In the life of a human‚ the heart beats approximately forty-five million times per year varying based off of factors like age‚ gender‚ physical activity level (1). Furthermore‚ throughout the course of a day‚ the heart can vary in its heart rate from a number of different environmental changes such as prolonged standing‚ altered breathing (inhale vs. exhale)‚ and jolts of excitement such as being startled
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Chloroplasts and Photosynthesis All animals and most microorganisms rely on the continual uptake of large amounts of organic compounds from their environment. These compounds are used to provide both the carbon skeletons for biosynthesis and the metabolic energy that drives cellular processes. It is believed that the first organisms on the primitive Earth had access to an abundance of the organic compounds produced by geochemical processes‚ but that most of these original compounds were used up billions
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metabolic rate are investigated. Hypothesis: With the information given‚ we tested the effects of given hormones on the body by using virtual rats. We expect to see a greater metabolic rate for the normal rat as opposed to the thyroidectomized rat. The hypox rat is expected to have the lowest metabolic rate. Metabolic rate will increase once thyroxine is injected. TSH will increase the metabolic rate of all the rats with
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Finding the rate law was the overall goal of the laboratory. When finding the wavelength of the Azo Orange II dye‚ the highest wave was the point used‚ 483nm. The plotted points of the different concentrations absorbance’s made sense to have a steady upward slope because the dye was diluted in steady increments from full to ¾ and so on. Beer’s law was used next to calculate the absorbance of they time over time as bleach was added. One the absorbance value was calculated‚ the concentrations were
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factors that can influence the rate of diffusion through a membrane. Chemical kinetics plays a large part in diffusion. In order for a solute to passively diffuse through a membrane‚ it must line up with a pore in the membrane and pass through it (textbook 101). The concentration gradient is also important for diffusion because solutes diffuse from areas of high concentration to areas of low concentration (textbook page 101). There are different factors that can affect the rate of this diffusion. Our intent
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The purpose of this lab is to determine the rate of reaction under different circumstances. Different variables will be manipulated to discover their effects on a particular reaction. Changes in temperature‚ pH‚ and enzyme concentration are examples of factors that have the potential to affect the initial rate of an enzyme catalyzed reaction in a controlled experiment‚ whether it be speeding the reaction up or slowing it down. Part I of the experiment establishes a baseline that can be used to compare
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Discourses of consumption (framing thoughts &actions in terms of consumer focus) dominate organizational theory. In parts of the economy‚ pdtn itself has been reconfigured away from material manufacture & towards the fashioning of ‘signs & spaces’ that are orientated to consumption. Eg. Nike brands. Sell the Nike brand (swoosh logo & just do it) >make &sell Nike. Sportswear are the vehicles to mobilize the brand. Concerned about outcome of the design process that materializes brand & sign value
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possible by my AP Biology teacher’s assignment. If not for her‚ I would never have sat down and composed a four page script about Photosynthesis. I would also like to thank my supporting family for listening to my complaints and frustrations throughout this process. My gratitude goes out to the AP Bio Facebook group as well‚ for answering all the questions I had about Photosynthesis. Thank you all very much. The CAST In order of appearance *Narrator *Thylakoid Lila *Calvin Cycle Cal *Water
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Chlorophyll Extraction This easy science project shows simple and efficient method of chlorophyll extraction from a plant. This is only a demonstration of working method which can be refined and used for a full scale science project. Plants contain many pigments in different proportions. For flowering plants it’s mostly a combination of chlorophyll-A‚ chlorophyll-B‚ pheophytin and Carotenes. These pigments have shades of green‚ blue green‚ grayish‚ and yellow-orange. Their concentration is
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from the water is given to the blood (metabolic rate is also effected in animals that remain active because tend to consume more oxygen than those at rest). The size of a fish is relevant to oxygen consumption as larger fish consume more oxygen overall than smaller fish. The primary objective of this experiment is to note the effects of temperature on the oxygen consumption and ventilation rates of goldfish. We hypothesize that the ventilation rate of those fish that are subjected to warmer water
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