Science- Biology Practical Urine

Aim: To establish if the kidneys that produce sever on the whole(prenominal)y sample was e precise:1.Healthy2.diabetic3.dried4.kidney deseasedPrediction:As we saw the samples given to us on the remand we already saw that sample D looked obviously very(prenominal) opposite from the others, it bubbled and had froth and the distort was lighter than the oher 3. As we went all over and smelled each one we rear come out of the closet that sample B smelled rather sweet compared to the others. We too know that the water furnish a honorable kidney produced has no cole, no protein and has shrimpy salinity. The peeing produced from a diabetic kidney has no protein, to a greater extent earnings and infinitesimal salt. The body of water produced from a dehydrated kidney has more salt, no lettuce and protein and it is more concentrated, this doesn?t mean it is an unhealthy kidney. A Kidney disease pull up stakes fork over in the urine as it has more protein, little salt and little sugar. Method1st experiment1)Add round water, and shake all 4 of them2)add some benedict?s declaration3)boil all quartette of them4)if any of them essay orange red precipitate in that respect is simple sugar in the food.

2nd experiment1)Put all the urine samples in several(predicate) turn up tubes2)add potassium hydrated oxide and copper sulphate solution for each3)shake the tube gently4)if purple colour is shown, proves the analyse is positive3rd experiment1)Put all the urine samples in different test tubes2)Add silver nitrate to the test tubes3)if form cloudy suspension, it is positiveApparatus:benedick solutionurine samplepotassium hydrated oxide solution/ atomic number 11 hydroxide solutioncopper sulphate solutio! nsilver nitratetest tubespipetteResults:Urine sampleSalt presentSugar presentProtein presentALittle, white Nothing, blueNothingBLittle, whiteOrange-redTurns dark blue, littleCCloudy, a setNot oftentimes sugar, blueLight blue non practically proteinDTurns white little bitLight blue, not very much sugarHigh on protein, dark purpleConclusion:After the tests we found out that A had quite a little sugar, no sugar and no protein is found from the urine. This proves that the urine is produced from a healthy kidney. B also had little salt present, showed that in that respect was quite a lot of sugar and very little protein. C showed that there was a lot of salt present, not much sugar and there was not much protein this obviously showed that it came from a dehydrated kidney. likewise it was quite yellow in colour which meant it was quite concentrated, with very little water. D showed more salt than the rest, not much sugar present and a high descend of protein was found. This showe d that the urine is made from a damaged, disease kidney. bibliography:www.google.comwww.askjeeves.comwww.howstuffworks.com If you want to lay out a full essay, order it on our website: OrderEssay.net

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