BASIC MICROBIOLOGY SMS ASSIGNMENT 1 (LACTOPHENOL BLUE STAINING) NAME : 1) FARAH ANINI BINTI MD. SHAFI’I 2) FATIN NUR SYAHIRAH BINTI MOHD. HANAFI 3) NOR AZAH BINTI MAHIZAN 4) JOSHUA RAJ A/L ISIDORE SAKAYARAJ 5) CHAN POH SHIN MATRIX NO : 1) 012012051710 2) 012012051610 3) 012012051646 4) 012012051472 5) 012012111185 SEMESTER : 2 PROGRAMME : BACHELOR OF NUTRITION (BNT) LECTURER : MADAM SASIMALANI SARGUNNAM
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acids attached to a molecule called glycerol. A glycerol molecule can have up to three fatty acids attached‚ and the glycerol molecule of triglycerides contains the maximum of three fatty acids. Since fatty acids are hydrophobic -- "water-hating" -- molecules‚ triglycerides cannot dissolve in water. By contrast‚ the glycerol molecule of phospholipids has only two fatty acids attached. A molecule with an electrical charge occupies the third position of glycerol in phospholipids. The
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Excess glucose is stored in the liver or in muscle as glycogen. Amino acids are used to build cell protoplasm and to repair damaged tissues. They are also used to form enzymes and protein in the blood. After absorption most of the fatty acids and glycerol recombine to form fats which enter the lacteals of the lymphatic system. Eventually the fat enters the blood stream and is used for cell membrane
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Abstract: Saponification is an esterification process that is used to make so from the hydrolysis of fats and oils. This process have the glycerol molecule‚ and a sodium carboxylate salt in most case sodium stearate being formed‚ however this salt depends on the base being used. In the experiment 23ml of vegetable oil was mixed with 20ml of ethyl alcohol along with 20 ml of 25% sodium hydroxide in a 250-mL Erlenmeyer flask. The content was then heated on a water bath whilst gently mixing with
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liquids and solids. Data/Observation: Part A Sample | Distilled Water (g) | Methanol (g) | Glycerol (g) | Mass of empty cylinder | 41.1 g | 40.4 g | 41.1 g | Mass of cylinder + liquid | 51.2 g | 48.2 g | 53.8 g | Mass of liquid | 10.1 g | 7.8 g | 12.7 g | Calculations: Density of liquid = Mass/Volume = g/mL Distilled Water = 10.1g/10mL = 1.01 g/mL Methanol = 7.8g/10mL = 0.793 g/mL Glycerol = 12.7g/10mL = 1.27g/mL Data Observation: Part B Sample | Sucrose | Sodium Acetate
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1.The “building blocks” of polysaccharides are _______‚ and the blocks are covalently linked together by _______. A. | glycerol and fatty acids; glycosidic linkages | B. | amino acids; triple bonds | C. | monosaccharides; glycosidic linkages | D. | disaccharides; triple bonds | E. | oligosaccharides; glycosidic linkages | Answer choice C Which of the following statements about starch is false? A. | Starch may be partially branched. | B. | Starch is a polymer of glucose. | C. |
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determine the effects of fat and/or fur on the thermal conductance of endotherms with a decreasing environmental temperature * To determine the effects of glycerol‚ antifreeze‚ and various concentrations of saline on freezing point depression Null hypotheses: * Fat and fur have no direct relationship with thermal conductance. * Glycerol‚ antifreeze‚ and saline have no direct relationship with freezing point depression. Alternative hypotheses: * Fat and fur‚ singly‚ will decrease thermal
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a branched fatty acid b) Contains 3 double bonds c) Is a precursor for eicosanoids d) Contains 5 double bonds e) Is a 20-carbon saturated fatty acid 3. A membrane phospholipids that contains glycerol is: a) Phosphatidyl Choline b) Sphingomyelin c) Cerebroside d) Ganglioside e) Ceramide 4. Lipids are important in the human body because they act
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mitochondria to create ATP. The citric acid cycle (CAC) is the vital pathway by which complete oxidation of both carbohydrate and lipids occur. The initial molecule used here is acetyl-CoA‚ a three-carbon compound which is created from both pyruvate and glycerol under aerobic conditions. Acetyl-CoA reacts with oxaloacetate to form citric acid‚ the first product of the cycle. This pathway sees the regeneration of oxaloacetate and the creation of reduced electron carriers of FADH2 and NADH needed in electron
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and adding water. e) Hydrophobic and hydrophilic: Hydrophobic avoids water‚ whilst hydrophilic is attracted by it. 2. a) Hydrolysis of maltose: glucose + glucose = maltose + H2O b) The condensation reaction that forms a triglyceride: Glycerol + 3 fatty acids = triglyceride + 3H2O c) Hydrolysis of starch to remove a single molecule: Starch + H2O = 3 glucose 3. The transparency of water is important to life because it allows organisms living in water to absorb the sunlight and carry
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