Diffusion‚ Osmosis‚ Active Transport There are two ways in which substances can enter or leave a cell: 1) Passive a) Simple Diffusion b) Facilitated Diffusion c) Osmosis (water only) 2) Active a) Molecules b) Particles Diffusion Diffusion is the net passive movement of particles (atoms‚ ions or molecules) from a region in which they are in higher concentration to regions of lower concentration. It continues until the concentration of substances is uniform throughout. Some major examples of diffusion
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year I became interested in figuring out how the using the same recipes the outcome could be so different. Background Information: Osmosis is the of a solvent across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. The water being the solvent can move across the membrane but the salt
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Effect of Sucrose Solution on Osmosis Aim: The aim of the experiment is to show how varying the concentration of sucrose solution affects osmosis by changing different molar solutions of sucrose and water and how it affects the potato. Introduction: In this investigation I will be exploring the effect of varying concentration of sucrose sugar solution on the amount of activity between the solution and the potatoes. Osmosis is the movement of water molecules across a partially
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OSMOSIS LAB BACKGROUND INFORMATION. Dialysis tubing is being used to model a plasma membrane. Isotonic solutions are solutions that have the same concentration of solutes on both sides of the membrane. Hypertonic solutions are solutions that have more solute to the one with less solute. Hypotonic solution are solutions that have less solute to the one with more solute. RESEARCH QUESTION:which dialysis tubing will gain the distilled water and which one will loss its content
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populations. The Irish potato clones were certainly low on genetic variation‚ so when the environment changed and a potato disease swept through the country in the 1840s‚ the potatoes (and the people who depended upon them) were devastated.Thesis: The Irish Potato Famine devastated the Irish population and economy as well as sowing the seeds of rebellion against England. 1st Point: Ireland dependent on potato • Families spent most time on cash crops to pay rent • Potato easy to grow‚ nutricious
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utilization of mathematics‚ the understanding of the mechanics of gravity and the harnessing the power of the atom. With all these pivotal discoveries and huge technological advancements‚ there have been many that have been overlooked‚ such as “The Potato.” Since I was a child‚ I have always been interested in topics that kids and even adults would find inexorably boring and absurd. My parents were at one time concerned at my unorthodox interest. At one time‚ I remember myself enraged when my dad
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IB Biology Potato Lab Table 1: Trial Number | Concentration of Sucrose Solution (M) ±0.2 ml | Initial Mass of Potato Core Slice(g) ±0.1 | Final Mass of Potato Core Slices (g) ±0.1 | 1 | 0.0 | 7.7 | 9.3 | 2 | | 6.0 | 8.1 | 3 | | 6.2 | 7.4 | 4 | | 10.2 | 13.2 | 5 | | 8.7 | 10.3 | 6 | | 4.9 | 6.0 | 7 | | 9.2 | 10.4 | 1 | 0.2 | 5.8 | 6.0 | 2 | | 11.6 | 12.1 | 3 | | 2.5 | 3.1 | 1 | 0.4 | 14.4 | 13.9 | 2 | | 2.6 | 2.8 | 3 | | 8 | 6.5 | 1 | 0.6 | 7.3 | 5.3 | 2
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Potato Osmosis and Diffusion Lab Report Emily Cocq Research Question: Will there be a difference in the experimented potato cores after being subjected to high concentrations of sugar? Introduction: Water can move through protein channels in cell membrane/cell walls. The water will move due to the water potential of the cells. If there is a greater concentration of solutes (chemicals) inside the cell than outside the cell and the chemicals can not move‚ then water will respond by moving
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Jesus Is Alive CommunityCalamagui 2nd Ilagan‚ IsabelaAs of October 2011 | | | | | | | | | | NAME | GENDER | AGE | BIRTHDAY | CELL LDR. | CP# | REMARKS | 1. | LASAM‚ MARY JANE | F | | | | | | 2. | BARASI‚ AMALIA | F | 31 | | | 09061023844 | | 3. | BAUTISTA‚ CAMILLE KATRINA | F | 15 | | | 09267791043 | | 4. | BULAN‚ ABBY | F | | | | | ** | 5. | BUQUEL‚ MARY- JANE | F | 16 | | | 09262681892 | | 6. | CANCERAN‚ ROSALIA |
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Germans‚ימ’’ש ? What is this that’s worth his whole life? A potato. Not even a whole one‚ but half of a potato‚ smuggled out of the kitchen. He had risked his life‚ both by going there without permission‚ and by taking the potato. But it’s so very important to him‚ so he did it anyway. And now‚ here he is‚ waiting impatiently to go into his barracks. Finally‚ the endless roll call is over‚ and he sighs with
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