the kidneys‚ that will filter blood and produces urine through three stages: ultrafiltration‚ reabsorption and secretion. The end product of the process will produce urine‚ which contains mainly water and a range of substances that such as inorganic salts‚ organic compounds and some metabolites. The quantity and composition of the urine reflects various biochemical processes that occur in the body. Thus‚ the composition of the urine of an individual may change when a person is unhealthy or has a disease
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Gracen Seiler April 7th‚ 2015 Section- 109 Investigating Stoichiometry with Sodium Salts of Carbonic Acid Introduction- This experiment is intended to help find a better understanding of chemical stoichiometry through titrations of NaHCO3 and NA2CO3 with HCl. A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance‚ as opposed to a change in physical form in a nuclear reaction. Titration is when a measured amount of
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microbiology class at Brunswick Community College. This journey started out with a media plate cultured with an unknown species of bacteria. I was then instructed by my professor to use all of my previous knowledge to identify the unknown bacterial pathogen. This lab led me to master my skills of using the Gram stain‚ testing for catalase‚ testing for coagulase and using the oxacillin screen. Now I am going to take you with me on the journey to the unknown. As I recall from earlier that semester
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periods of time. Today the process of fermentation has become a living/industry for some‚ and a hobby for others. For the purposes of this lab it was asserted that there will be no use of vinegar (ascetic acid)‚ and instead merely distilled
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flour‚ sugar‚ tablespoon vanilla‚ half vegetable oil and half margarine‚ egg‚ little bit salt‚ baking powder. Next‚ we combined sugar and butter in a bowl‚ and we mixed the ingredients with a hand whisk until there were no lumps. Added vanilla‚ and eggs‚ and we stirred thoroughly. Then we prepared the dry ingredients of our recipe. We mixed all dry ingredients together (flour‚ baking powder and salt). Once we both mixtures completed‚ we slowly combined them
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Research & Design in Psychology / G Faculty of Health‚ University of Canberra LAB REPORT COVER SHEET Instructions: 1. Complete these details and the declarations electronically. 2. Insert this sheet at the start of your lab report. 3. Submit the entire assignment‚ including this coversheet‚ as one file via the lab report drop-box on Moodle. 4. For more information‚ see Lab report guidelines. |STUDENT NAME:
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biological field and it helps ensure the survival of an organism. It does so by converting things like food that we ingest into energy via a series of somewhat complex biochemical reactions. This energy can then be used for a multitude of things including growth‚ blood circulation‚ body movement‚ etc. When this energy is used O2 consumption and CO2 production are necessary due to O2 being our terminal electron acceptor. With that being said‚ metabolism is not a set characteristic within the human body. It
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part of the lab‚ since the effect of moist heat treatment on bacterial spores wasbeing investigated‚ the spores from Bacillus stearothermophilus was used. Using the three testtubes with spores‚ the first one (1) was autoclaved‚ the second (2) was boiled‚ and third (3)received no treatment. The fourth test tube (4) didn’t have a spore strip and served as a controlfor the effectiveness of the aseptic pipetting technique. As hypothesized‚ test tubes 1 and 4experienced no bacterial growth. Because tube
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Stoichiometry lab 1 Purpose: The purpose of this lab is to find the limiting reactant‚ also to find the percentage yield and percentage purity of the reaction that happens between Calcium Chloride and Sodium Carbonate. The other purpose was to know how the reaction can be balanced and created. Hypothesis: In this lab we are going to see a precipitation reaction. This is a reaction where two soluble salts Sodium Carbonate and Calcium Chloride are added together and the result is the precipitation
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Formal Scientific Lab Report Osmosis Katy Hunter 10-26-2012 Abstract: The objectives of this lab was to be able to create models of cells with the dialysis tubing to show us how the plasma membrane is selectively permeable‚ to study the effects of osmosis on a model cell‚ and to foresee the effect of solute concentration on osmosis. In order to achieve these objectives‚ we had to fill the dialysis tubing with either water‚ or different amounts of sucrose. We then tied off the tubes and put
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