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One Problem X 10
1,563 wordsThis essay will critically review some of the major uses of renal micro puncture techniques, focusing in particular on the stationary method, free-flow micro puncture and renal micro perfusion, the latter including both in vivo and in vitro methods. The essay will conclude with a short review of other uses of micro puncture. Were and Richards (1924) were the first people to use micro puncture successfully on the kidney. They successfully inserted a micro pipette into the glomerulus of a single a...
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Test Tube Water Bath
622 wordsPurpose: To investigate the effect of temperature on the fermentation of glucose by bakers yeast. Hypothesis: If to separate tubes of 20 % glucose solution with 1 mil of yeast is added to battery jars filled with 20 and 38 c water then the warmer one will cause the yeast to ferment at a quicker rate. Materials: - 2 test tubes (100 mm. Long x 11 mm. I. D. ) - 2 ones-hole stoppers (size 00 w/ 3 mm. Hole) -Glucose -Bakers yeast suspension -Balance -Molding clay -Submersible test tube racks -Pins -M...
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Carbon Dioxide Amino Acid
1,371 wordsFermentation of glycine, water, sucrose, galactose, and glucose as induced by yeast. ABSTRACT This lab attempted to find the rate at which Carbon dioxide is produced when five different test solutions: glycine, sucrose, galactose, water, and glucose were separately mixed with a yeast solution to produce fermentation, a process cells undergo. Fermentation is a major way by which a living cell can obtain energy. By measuring the carbon dioxide released by the test solutions, it could be determined...
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Cloning Of Human Beings Cloning Of Humans
2,643 wordsCloning, the process of? Manipulating a cell from an animal so that it grows into an exact duplicate of that animal is the forbidden fruit of biology. ? (Begley 54). The word? clone? , derived from the Greek word? Know? , meaning twig or slip, refers to asexual reproduction. Also known as vegetative reproduction. Cloning became known to the public about 30 years ago. This idea of cloning about his time resulted in an experiment of the successful asexual reproduction. This experiment took place i...
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Sodium Hydroxide Test Tube
1,291 wordsExperiment showing the determination of Creatinine concentration in 24 -hour urine samples. Aim: The aim of the practical is to test the following hypothesis: The amount of creatinine found in a persons 24 -hour urine sample bears a direct relationship to the body mass of that person. METHOD: Materials: 1) 5 urine samples of unknown concentration numbered 1, 5, 6, 7 ad 8. 2) Picric Acid 3) 0. 75 M Sodium Hydroxide 4) P 1000 Gilson Pipette 5) 1 cm 3, 5 cm 3 and 10 cm 3 glass pipettes 6) Vortex Mi...
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Fatty Acids Petri Dish
4,956 wordsPlan The initial variable to be considered will be the effect that caffeine and temperature has on the heart beat and if it has a direct or indirect effect on the daphnia's lifespan. If there is enough time to consider a second variable however, the effects of a temperature or alcohol on the daphnia's body system will also be considered alongside the initial variable of caffeine. These will then be slotted into the same graph which will show us how the figure correspond to the results. In order ...
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Sodium Hydroxide Petri Dish
1,559 wordsDetection of Biological Molecules Introduction: Without carbon, nitrogen, hydrogen, sulfur, oxygen and phosphorus, life wouldnt exist. These are the most abundant elements in living organisms. These elements are held together by covalent bonds, ionic bonds, hydrogen bonds, and disulfide bonds. Covalent bonds are especially strong, thus, are present in monomers, the building blocks of life. These monomers combine to make polymers, which is a long chain of monomers strung together. Biological mole...
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Degrees Celsius Test Tubes
1,993 wordsEffects of Temperature, pH, and Gelatin on Bromelain Introduction Bromelain is an organic catalyst that speeds up the rate of chemical reactions. Bromelain is used in this experiment to catalyze the break down of proteins and is called a proteolytic enzyme. Enzymes enable reactions to occur at a lower temperature and energy levels. This allows many reactions to occur inside living organisms that would otherwise have been impossible to take place. This enzyme is found in fruits, leaves, and stems...
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Optimum Temperature Test Tube
810 wordsAim: In this investigation I am trying to find out how the temperature of water affects the reaction rate between amylase and starch. The thing that I am going change are the temperature of water, which are 10. C, 20. C, 30. C, 40. C, 50. C. The things I will measure are the colour of the mixture in the present of iodine each minute until it stays a constant brown. I researched this information in a previous lesson in which we did the experiment at one temperature and timing the amount of amylas...
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