substrate concentration‚ the enzyme is working at “maximum efficiency.” With a concentration at 40‚ it produced 2‚339 products. 2. The maximum velocity of a reaction is reached when the active sites are almost continuously filled. Increased substrate concentration after this point will not increase the rate. The reaction rate increases as substrate concentration is increased. It will soon level off though. 3. When the concentration is at low substrate‚ most of the enzyme molecules are not filled
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maintain homeostasis. Digestive system is made up of the digestive tract‚ which is a series of hollow organs which are joined in a long and twisting pipe like tube from the mouth to the anus. Organs of the digestive tract are made up out of mouth‚ esophagus‚ and stomach‚ and small intestine‚ large intestine also called as the colon‚ rectum‚ and anus. The way that the digestive system works is pretty simple to remember. First you bite on something eatable‚ then the enzymes in your saliva start digesting
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Effect of temperature on enzyme activity In this experiment… Independent variable: Temperature of the amylase Dependent variable: Enzyme activity which is measured by the time for disappearance of starch Controlled variables: Volume of amylase; volume of starch solution; concentration of amylase; concentration of starch solution Prediction of results i) At low temperature‚ the rate of amylase activity is very low. ii) At optimum (=best) temperature‚ the rate of amylase activity is the
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Title: “The Effect of Substrate Concentration‚ Enzyme Concentration‚ pH and Temperature on Enzyme Activity” Abstract: In the following experiments we will measure precise amounts of potato extract as well as Phenylthiourea‚ combined with or without deionized water and in some instances change the temperature and observe and record the reaction. We will also investigate the different levels of prepared pH on varying samples of the potato extract and the Phenylthiourea and record the results.
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course pocket. The project has been carried out to have an overview of Mcvities and to understand the consumer’s perception about Digestive biscuit in the context of product’s use‚ brandname‚ health‚ availability‚ quality‚ size etc and find out their preferences on the selection of particular biscuit brand. Significance of the project is to find out the growth of digestive biscuit in modern trade and also to provide the key information about the consumer’s preference. FMCG is an acronym for Fast Moving
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pH on Enzyme Activity Athenaa Jeyachandran Mr.Menes Course Code January 21st‚ 2013 The Effect on Enzyme Activity Due to Temperatures Purpose: The purpose of this lab experiment is to examine how different temperatures affect enzyme activity using hydrogen peroxide. Hypothesis: My hypothesis for this experiment is that temperatures near body temperature is when enzyme activity will be at its highest. I believe this will occur because in our body‚ enzymes are very
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10.10.2012 Internal assessment on enzyme concentration Enzymes are proteins that act as catalysts and they are the most important type of protein. My aim in this experiment was to investigate the effect of enzyme concentration on the rate of an enzyme (protease) – catalyzed reaction ‚ catalysts speed up chemical reactions . My hypothesis is that the rate as reaction will increase as the
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and measure the enzyme activity of β-galactosidase in the different concentrations of o-Nitrophenylgalactoside (ONPG) using a spectrophotometer. The spectrophotometer was also set at 420nm‚ a wavelength which is best for recording the absorbance values for the experiment. From the results‚ 0.9mM ONPG solution has the highest absorbance and 0.1mM ONPG solution has the least. Also‚ 0.5mM ONPG solution has the highest rate of enzyme activity and it is the most efficient as the enzyme activity of the
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Enzymes: Food & Nutrition What are enzymes Enzymes are a type of protein produced by a living organism used to catalyze chemical reactions in cells. These reactions allow the cell to build things or take things apart as needed in order to grow and reproduce. How do enzymes work - in steps 1) Substrate floats near enzyme 2) Substrate and enzyme connect – which breaks it into products 3) Products are released ex) BreadFast & Co.’s use of enzymes The company uses many different
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15th Influence of pH on Enzyme Activities How does the pH of solution influence the speed of enzyme activities? Enzymes are protein catalysts and chemical that speed up chemical reaction without being involved in the reaction. They are involved in the human digestive system to help people digest food more efficient. Food are substrates to be break down and absorb through the digestive system in the body. Substrate is a molecule that bond with the active site of enzyme to transfer in to one or
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