Introduction Glucose is very important in our daily lives. It gives us energy to carry out all of our activities. Cells in our bodies need glucose to respire and in the process release the energy we need. Glucose is also a type of carbohydrate. It has a chemical formula of C6H12O6 and is a monosaccharide reducing sugar (Kolej Mara Banting – Students’ Handbook for Biology HL Year 1). It is the simplest form of carbohydrate. In this experiment‚ sulphuric acid‚ H2SO4 and potassium permanganate
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Name: Raj Bose Date: 23/1/2015 Partners: Sunniva & Bayu Determining the concentration of glucose of 7UP Glucose solutions prepared as follows:- In each case 250.0 cm3 volumetric flasks used Concentration (%) Mass/g 4.00 10.00 8.00 20.00 12.0 30.00 16.0 40.00 20.0 50.00 Table: 1- Recording of concentration‚ volume‚ and qualitative observations of various solute/solvent/solution used during the experiment. Name Concentration (%) Volume (ml) Qualitative Observations Glucose (C6H12O6) 5 different types:
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1c – M3: Glucose Solution Concentration (%) Absorbance (Arbitrary Units) 1 1.61 0.1 0.32 0.01 0.23 0.001 0.22 How to use a Colorimeter: • A Colorimeter measures the absorbance of particular wavelengths of light by a specific solution. • Firstly to use the Colorimeter you must switch it on 5 minutes before use to allow it to stabilize. Next select the most appropriate filter for the analysis and then anter it into the light channel or the selector depending on the type of Colorimeter you are using
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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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Review Sheet Exercise 1 Cell Transport Mechanisms and Permeability Name Lab Time/Date ___ Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. Size of material and concentration 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? The molecules were too large to pass through. This is what I predicted on my Hypothesis
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the experiment‚ the blood glucose concentration for Patient A is 5.6 mmol/L(Refer to Table 1). The blood glucose level for Patient A is normal as 5.6mmol/L is in the normal range. Urine sample from Patient A was tested and it is shown that there was no glucose and sodium present. The results showed that Patient A is healthy and could act as a control in this investigation. Secondly‚ patient B is suspected to suffer from diabetes mellitus. The blood glucose concentration for Patient B is 111mmol/L
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Glucose homeostasis The fed state Presentation copyright © 2007 David A Bender The central nervous system is very largely reliant on glucose as its metabolic fuel; it cannot oxidise fatty acids (but can metabolise ketone bodies in prolonged starvation) glycogen Red blood cells are absolutely reliant on glucose; they have no mitochondria and form ATP only by anaerobic glycolysis triacyglycerol protein glucose triacylglycerol in VLDL triacylglycerol in chylomicrons amino
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Glucose Oxidase and Its Various Uses Aaron Truong Since glucose oxidase has an end product called hydrogen peroxide‚ which is a harmful substance to bacteria‚ it can be used to fight bacteria‚ or sterilize objects (can have various uses such as in hand sanitizers‚ toothpaste‚ soap‚ etc)‚ not just biosensors. Another key part in the reaction would be C6H12O6‚ or glucose. Glucose oxidase can be applied to diabetics as mentioned earlier‚ as biosensors work by "keeping track of the
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pathway for glucose oxidation. Similar to glycolysis‚ but instead of having pyruvate as the end product it is diverted to other pathways. Supplier of energy to the cell in the form of NADPH (a reducing power for biosynthesis). It is also referred to as hexose monophosphate shunt. *Fate of glucose 6-phosphate (G 6-P) IN THE PPP (S. 71) Taken out from glycolysis and converted into Ribulose 5-phosphate. With the conversion of ribulose 5-phosphate 2 moles of NADPH acquired protons from glucose 6-phosphate
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complex carbohydrates include vegetables‚ whole grains‚ peas‚ pasta‚ potatoes and beans. Carbohydrates are the main source of glucose‚ which is a major fuel for all of the body’s cells and the only source of energy for the brain and red cells. Except for fiber‚ which cannot be digested‚ both simple and complex carbohydrates are converted into glucose. The glucose is then either used directly to provide energy for the body‚ or stored in the liver for future use. When a person consumes more
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