Osmosis in potato cells Aim: To view and examine the effect different concentrations of sucrose solution has on the movement of water across the cell membrane. Hypothesis: That the potatoes will either increase or decrease in mass‚ due to the effect of the different concentrations. Osmosis will occur. Apparatus: * Fresh potatoes * Apple corer * Scalpel * Petri dishes X 10 * 50ml measuring cylinder * Distilled water * Paper towelling * Sucrose solutions:
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appA.CTP 12/7/04 7:21 PM Page A-1 Appendix A Financial Tables TABLE A–1 Future Value Interest Factors for One Dollar Compounded at i Percent for n Periods: FVIFi‚n ϭ (1 ϩ i)n TABLE A–2 Present Value Interest Factors for One Dollar Discounted at i Percent for n Periods: PVIFi‚n ϭ TABLE A–3 1 (1 1 i)n Future Value Interest Factors for a One-Dollar Ordinary Annuity Compounded at i Percent for n Periods: n FVIFAi‚n 5 a (1 1 i)t21 t51 TABLE A–4 Present
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Name Course Institution Tutor Date Analysis of 1 John 3:1-7 There is hope in what has already been done by God on earth and the hope is shown from the first two verses of chapter 3. The text begins with the love of God which was given to us and the result of the love which is given to us by God is being called Gods children. It is not pretense or a wishing‚ but we are what God wants us to be in our future. God is able to call us his children and the declaration makes us be his children. The question
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CHAPTER 5: PERIODIC TABLE Development of the Periodic Table • i) Substance exist: naturally in elemental form Example: Gold‚ Uranium as unstable compound Example: Radioactive compounds as stable compound (majority) How to know whether a substance is a compound OR an element? ii) iii) • • • Grouping system: 1800: 31 elements identified 1865: 63 elements identified Audi Majdan – DMC 101 – KLIUC 1 • Dmitri Mendeleev: i) ii) iii) iv) Develop a system to group
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Aim The aim is to find the concentration (mole/dm3 (M)) of solute in a potato cell by using the process of osmosis and different concentrations of sucrose solution. Background information Osmosis is diffusion of water across a partially permeable membrane. It moves from a solution with less solute concentration (high water potential) to a solution with more solute concentration (low water potential). The one with a high water concentration is called a hypotonic solution and the low water concentration
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Unit 7 Summary Unit 7 was fascinating and I believe it was my favourite unit. This unit covered data preparation and presentation which was very interesting. I was introduced to the term data dictionary which is where a researcher list and describes items in a database‚ it also helps the research to remember the codes given to items in the research. When I first encountered the term coding in my research proposal‚ I was reluctant to meet that part of my research because I developed a bad perception
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Periodic Table Lab Look up all the halogens‚ give their name and formula. Describe what each one looks like under normal conditions. Halogens contain salts and they are: 1. Flourine F Normal Conditions- Gas 2. Chlorine Cl Normal Conditions- Gas 3. Bromine Br Normal Conditions- Liquid 4. Iodine I Normal Conditions- Solid 5. Astatine At Normal Conditions- Solid Give the names and formulas of three compounds that contain one element from the Noble Gas family. 1. Helium He 2. Neon
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Unit 7 Lab 7: Performing a Business Impact Analysis for an IT Infrastructure IS 3110 Debra Williams 1. What is the goal and purpose of a BIA? a. The purpose of a business impact analysis (BIA) report is to describe the potential risks specific to the organization studied. One of the basic assumptions behind BIA is that every component of the organization is reliant upon the continued functioning of every other component‚ but that some are more crucial than others and require a greater allocation
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By: Eugenia Collier Sweet Potato Pie Eugenia W. Collier is an AfricanAmerican writer and critic best known for her 1969 short story "Marigolds"‚ which won the Gwendolyn Brooks Prize for Fiction Award. Born: 1928‚ Baltimore‚ Maryland‚ United States. Books: Breeder and Other Stories. Education: University of College Park‚ Columbia Howard University. Maryland‚ University‚ Building Backgrou Sharecropping nd This was a farming system practiced in the South in years between the Civil War and
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f ( t ) = L -1 {F ( s )} 1. 3. 5. 7. 9. 11. 1 t n ‚ n = 1‚ 2‚3‚K t sin ( at ) t sin ( at ) sin ( at ) - at cos ( at ) cos ( at ) - at sin ( at ) sin ( at + b ) sinh ( at ) e at sin ( bt ) e at sinh ( bt ) t ne at ‚ n = 1‚ 2‚3‚K uc ( t ) = u ( t - c ) Heaviside Function F ( s ) = L { f ( t )} 1 s n! s n +1 Table of Laplace Transforms f ( t ) = L -1 {F ( s )} F ( s ) = L { f ( t )} 1 s-a G ( p + 1) s p +1 1 × 3 × 5L ( 2n - 1) p 2n s 2 s 2 s + a2 s2 - a2 2 n+ 1 2. 4. 6. 8. 2 e at
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