3.7.2.1.5 Urea test PRINCIPLE Urea is hydrolyzed in the presence of urease to produce ammonia and CO2. The ammonia produced combines with 2 – oxoglutarate and NADH in the presence of GLDH to yield glutamate and NAD. Urea + H2O + 2H+ 2NH4+ + CO2 NH4+ + 2-Oxoglutarate +NADH H2O +NAD+ + Glutamate The decrease in absorbance due to the decrease of NADH concentration in unit time is proportional to the urea concentration. Ammonia
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uses diffusion as an important transport process through its selectively permeable membrane. During diffusion‚ molecules that are small enough to pass through a membrane’s pores or molecules that can dissolve in the lipid section of a membrane move from an area of higher concentration to an area of lower concentration. The kinetic energy that all molecules possess is the motivating force in diffusion. Facilitated diffusion occurs when molecules are too large to pass through a membrane or are lipid
Free Diffusion Molecular diffusion Solution
Seung Soo (Jason) Lee 002213-065 Internal Assessment – Investigating the Relationship between Concentration of Sodium Chloride and the Rate of Reaction of Enzyme Amylase Research Question: How will changing the percentage of sodium chloride concentration affect the rate of reaction of enzyme amylase‚ measured using the absorbance of starch and iodine with a spectrophotometer. Introduction: Amylase is an enzyme that is involved in the human digestive process. Found in both the human pancreas
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Sodium: Sodium is essential to all living beings Basic functions: Sodium has 3 main functions: it helps in the absorption of glucose and some amino acids in the small intestine‚ it is required for normal muscle and nerve function‚ and it aids in water balance. Glucose generated by digestion of starch or lactose is absorbed in the small intestine only by cotransport with sodium‚ a fact that has exceptionally important implications in medicine. Glucose and galactose are taken into the enterocyte by
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This is the thesis of The Smallest Dragonboy and how I supported the thesis with quote from the text .In the fantasy text‚ “The Smallest Dragonboy” by Anne McCaffrey‚ Keevan is a young boy who wants to become a dragon rider‚ but he is much smaller than his peers. Keevan is preparing for Impression‚ a time where dragons telepathically chose their riders. Throughout the text‚ Keevan is bullied by a boy named Beterli and also hears rumors that small boys may be discluded from the competition. This leads
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OBJECTIVE: * To determine the molecular weight of a volatile liquid by using Dumas method. METHOD: MATERIAL | CHEMICALS | 125 mL Erlenmeyer flask | Known liquid (2-propanol) | Rubber band | Unknown liquid | Boiling chips | | Watch glass | | 100 mL graduated cylinder | | Pin | | 600 mL beaker | | Hot plate | | Thermometer | | Room temperature water | | 6 × 6 and 8 × 8 aluminium foil | | PROCEDURE: SAFETY * Lab Coat and Safety Goggles. * Keep the bottles
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Obedience to Orders 1 Obedience to Orders PFC Prashasouk BMMSC Obedience to Orders 2 This essay is to stress my belief on the importance of obedience to all orders. The importance of following all orders is the way all branches of the military operate on a day to day basis. Obeying all orders is the reason a military can operate in an organized and effective manner. If members of the military did not obey orders faithfully
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The Importance of Following Orders Spc Polston‚ Jamie Following orders are very important‚ for number of reasons. Orders are put in place all around the world. There are religious order‚ court order‚ general order‚ and military order. Orders are put in place to keep works in sequence‚ and sometimes the welfare and safety of others. The military are one of the biggest orders put in to place today. For example‚ When someone enlists in the
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cause a minor bump in a schedule or could put lives in danger. In the military‚ soldiers go through continuous trainings learning one essential idea‚ to follow orders. If orders aren’t followed‚ there’s the possibility of putting their life or someone else’s at risk. In the movie A Few Good Men‚ Colonel Jessup (Jack Nicholson) states under oath that “We follow orders or people die.” Although this is the mindset of soldiers‚ it brings into question if every order should be followed. In A Few Good Men
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Sugar Metabolism Title: The effectiveness of glucose and fructose metabolism in individuals of resting and exercising observed through blood glucose concentration. Aim: To study the mechanisms of the body involved in absorbing and metabolizing sugar in the form of glucose and fructose and examine the effect of exercise on the rate of removal of glucose from the bloodstream. Introduction: The blood glucose concentration in the blood is interceded by the human body via negative feedback mechanism
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