cellular respiration * mammalian regulation of water and salt balance * mammalian circulation 1. What are the ingredients in sports drinks? Hint: The three main ingredients 2. How is each ingredient useful for a person who is engaged in vigorous physical activity? Include in answer: * All of the fluids in your body and all of the fluids produced by your body are mostly water. * These fluids have salts (primarily NaCl) dissolved in the water‚ but the concentration
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seeds tolerant to higher concentrations of saline? “All soil contains salts‚ many of which are essential nutrients for plants. Salinity occurs when soluble salts (usually NaCl) are elevated in soil and water. Every continent is affected by salinized soil and water; approximately 7% of the world’s land area.” (Nerissa Hannink‚ 2005). “But why should we care about how a plant copes with excess salt? Once inside the cell‚ salt can cause ionic stresses‚ largely as Na+ (and Cl-) inhibit metabolic
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economically savvy for whoever is supplying the salt for these roads is essential when testing for deicing quality. There has been a lot of work done previously to find the most efficient deicer. We have been using salt to control snow and ice on roadways since 1930. However‚ we are now looking into the environmental effects of salts as deicers along with other potentially harmful effects. One current study is looking into the corrosive effects of salts on our vehicles. Experimental Our experiments
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I carefully removed the plastic and allowed all the iron to fall onto the paper. I weighed and determined the net mass of the iron powder/filings. 2. Separating out the Sand a) I put the remaining mixture‚ containing sand‚ benzoic acid‚ and table salt into my beaker and added 50 mL of distilled water. b) I set up the beaker stand and burner fuel and heated the beaker of solids and water to near boiling. I stirred the mixture to make sure all soluble material dissolved. c) I poured the liquid while
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Physiological Adaptation of Fish to Its Environment BIO101 March 11‚2013 Physiological Adaptation of Fish to Its Environment All organisms around the world are sparsely distributed depending on the environment that best suited to their modes of survival. Organisms undergo adaptation – an evolutionary process where they became well-suited to a particular
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Introduction In Diffusion‚ Dialysis & Osmosis lab‚ we discovered that we were going to observe and understand the conditions under which diffusion‚ dialysis‚ and osmosis occur. Then we constructed models of diffusion‚ dialysis‚ and osmosis. We predicted that the direction of change would be from the membrane to the beaker. We understood how these processes affected the selectivity of the cell membrane. The second part of the lab was dealing with dialysis. In this part we studied starch and sodium
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TABLE OF CONTENTS 1. IA (Alkaline Metals) 1.1. H………………………………………………………………………..2 1.2. Li………………………………………………………………………..2 1.3. Na………………………………………………………………………2 1.4. K………………………………………………………………………..3 1.5. Rb………………………………………………………………………3 1.6. Cs………………………………………………………………………3 1.7. Fr……………………………………………………………………….4 1. IIA (Alkaline Earth Metals) 2.8. Be………………………………………………………………………4 2.9. Mg………………………………………………………………………4 2.10. Ca………………………………………………………………………4
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sodium chloride is added to a solution with Saccharomyces cerevisiae‚ then sodium chloride should hinder the growth and reproduction of those cells because the salt concentrations will limit the overall efficiency of the cell’s reproductive processes as well as decrease overall colony size. In our experiment‚ we plan to note the effects of salt on S. cerevisiae by both spot plating to note overall cell colony size and the number of total cells and through the use of electro photometry to also count
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therefore‚ materials have not been a limitation in my practice. My current execution involves re-creating the Chinese guardian lions out of casting plaster. And then the lions are individually submerged in a salt crystal mixture of alum salt (aluminum sulfate‚ Al2(SO4)3 ) and distilled water‚ where salt crystals will form on the surfaces of the lions over a period of time‚ depending on the level of saturation. The Chinese guardian lions are symbolic decorative that traditionally stood in front of palaces
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reactions with the Finkelstein reaction. The conditions for this are NaI in acetone. NaI is soluble in acetone but the products of the reaction; NaCl and NaBr are not. We will watch the reaction by looking for the first appearance of the solid salts. Acetone is a good solvent for Sn2 reactions because it is a polar aprotic solvent. We will be examining Sn2 reactions with an ethanolic solution of silver nitrate. The silver ion coordinates with a lone pair on the halogen which begins to
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