Virtual Lab: Enzyme Controlled Reactions Name: NC Essential Standard Bio.4.1.3 Explain how enzymes act as catalysts for biological reactions Objective: I can explain how enzymes catalyze chemical reactions. I can recognize the ideal conditions (temperature‚ pH‚ enzyme and substrate concentrations) for enzyme activity by observing and analyzing graphs Instructions: Open the Virtual Lab: Enzyme Controlled Reactions here The virtual lab simulation will be on the right side
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intervals studied (Fig. 1). Both linear and logarithmic models satisfactorily fit the observed values; the prediction equations are being (y is milk volume in liters and x is milking interval in hours; P0.05) in milk total protein (3.44±0.19)‚ milk lactose (4.01±0.19) and ash (0.65±0.02) contents were observed according to milking intervals. There was a slight decrease in total protein content for alveolar milk. Alshaikh and Salah (1994) reported a slight decrease (7% on average) in all milk components
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“Investigate the factors affecting the rate of yeast respiration” Lab Report Introduction The aim of this experiment was to investigate the effect of different amounts of a substrate on the respiration rate of yeast and to compare this to the effect of different amounts of glucose on the rate of yeast respiration. The substrate which I chose to further investigate was fructose. Fructose is a fruit sugar which is one of the three‚ along with glucose and galactose‚ dietary monosaccharides that
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they had finished the initial reading of the human genome. b. It was announced by two researched that they had read the first reading of the complete set of human DNA. 5. The fact that adult Europeans are twice as likely as Asians to tolerate lactose in milk reflects a much longer history of dairy farming in the West. a. In comparison to Europeans‚ adult Asians have an inability to
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referred to as probiotics. Probiotics are believed to strengthen your immune system. The process is simple and natural‚ and allows milk products to be stored for longer periods without spoiling. The breakdown of lactose by lactic acid bacteria also makes the milk easier for people with lactose intolerance to digest. Glucose – ethanol+carbon dioxide (+energy released) It lets organisms live in places where there is little or no oxygen. Such places include deep water‚ soil‚ and the digestive tracts
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bones. It lowers blood pressure. It reduces the risk of diabetes and some cancers. It’s helpful for maintaining a healthy weight. It is both tasty and satisfying. If you do suffer from lactose intolerance‚ lactose-free milk is a great‚ healthy solution‚ and scientific studies have also found that individuals with lactose intolerance can usually enjoy small amounts of milk with meals‚ eating yogurt and
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Some of the information is available in your lab manual but for others you may have to do some research to find out the answers. Medium Description of chemical or physical reaction E. aerogenes colonies on EMB are pink E. aerogenes ferments lactose in the medium to produce acid. This lowers the pH and the dyes in the medium it turn pink PEA prevents gram negatives from growing (2) PEA prevents the growth of Gram-negative organisms by disrupting the structure of lipids in the Gram-negative
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Microbiology 20 Laboratory Final Exam Guidelines The laboratory exam will be given on Tuesday December 4th (sections 0375 and 3252) or Thursday December 6th (section 3253) and consist of an open book portion given in CMS 105 followed by a practical portion (closed book) to be given in the lab (CMS 002). You will not need a Scantron. For the open book test‚ be sure to bring any resources you may need including your lab manual‚ lab notebook‚ safety guidelines and handouts. For the practical portion
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will form more bonds between each other. Thus the branching occurs upon them. Their lengths of chains and branches‚ and extent of branching can vary enormously. α and β forms of monosaccharides are important. These sugars may be aldose or lactose. They have many uses and importance in life. Monosaccharides are the major source of fuel for metabolism‚ being used both as an energy source (glucose being the most important in nature) and in biosynthesis. Such as glucose‚ it is very important structure
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Virtual Lab Enzyme Controlled Reactions Worksheet Which of the following does NOT apply to an enzyme Catalyst Inorganic Protein All of the above apply to an enzyme When an enzyme catalyzes a reaction Substrate(s) bind in the active site Products bind in the active site The shape of the enzyme remains unchanged The enzyme is consumed by the reaction Which of the following would interfere most with the ability of an enzyme to catalyze a reaction Reduced concentration of substrate available Reduced
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