Anatomy and Physiology Unit Notes Unit 1: Organization of the Human Body Key Terms: Ana - prefix that means up or back again. Physio - a prefix that means natural or physical. Ology - a suffix that means the study of something. Homeo - a prefix that means like or similar. Thoraci -a prefix that means chest. Stasis - a suffix that means the slowing of a bodily fluid. Abdomino - a prefix that means abdomen. Anatomy-the study of structure. Physiology - the study of how a structure functions
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BiteSize 2014). Osmosis is a type of diffusion where a spontaneous amount of water moves through a semi-permeable membrane from a region of low solute concentration to an area of high solute concentration in order to reach equilibrium; to become isotonic. To be isotonic means have an equal percentage of solute concentration of either side of the membrane which displays
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Fatmata Diffusion Abstract dialysis tubing is‚ made of cellulose because it’s a selectively permeable membrane. In this experiment‚ we are testing to see if the solution in the beaker moves into the dialysis bag. Which because of that‚ Introduction Diffusion and osmosis are two types of transport mechanisms. Diffusion is the movement of molecules from areas of higher concentrations to areas of lower concentration until the molecules are evenly distributed through the area. Osmosis is the dispersion
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Chapter 5: Solutions‚ Colloids‚ and Membranes Chapter Summary Mixtures and Solutions * A mixture maintains its identity regardless of the proportions of its components. * A mixture can be separated into its pure components through physical separation techniques. * The components are distributed uniformly throughout a homogenous mixture. * The components are not distributed uniformly throughout a heterogeneous mixture. * A solution is composed of a solvent and one or more solutes
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AHP216 04/16/13 I. Introduction: The purpose of this experiment is to observe the osmosis reaction in a potato with salt and water. In cooking cooks will soak their cut potato’s in water if they will not use them immediately. This allows the potato’s to be used later without turning color. The experiment shows the flow of water through the membranes of the potato with salt over a period of four hours. II. Objective: The reaction of the potato to the side submerged in water and the half excavated
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Big Idea 2 Biological systems utilize free energy and molecular building blocks to grow‚ to reproduce and to maintain dynamic homeostasis. Living systems require both free energy and matter to maintain order‚ grow and reproduce. Organisms employ various strategies to capture‚ use and store free energy and other vital resources. Energy deficiencies are not only detrimental to individual organisms; they also can cause disruptions at the population and ecosystem levels. Biological systems must both
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Experiment 1 Background Diffusion is a process‚ in relation to the spontaneous movement of molecules from an area of high concentration‚ to an area of low concentration down a concentration gradient. It is a type of passive transport method‚ that requires no cellular energy (ATP). This movement occurs‚ until a state of equilibrium has been established on both sides of the membrane. The diffusion of molecules happens at cellular level‚ through a cell membrane via the pores. The cell membrane
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concentration of water is less than in the cell (hypertonic)‚ water will flow from the cytoplasm and/or water vacuole through the membrane into the environment. (Some solute moves into the cell but this does not account for the dramatic changes that you see or weigh) The cytoplasm and/or vacuole of the cell shrinks. In an animal cell‚ the entire cell shrivels. In a plant cell‚ the cytoplasm shrinks away from the cell wall. A cell placed in a hypotonic environment will gain water by osmosis.
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hydathodes. (v) Nephrons are the basic unit of the brain. [5] (c) Give technical terms for the following: (i) Plasma devoid of fibrinogen. 79 ICSE Specimen Question Paper (ii) Movement of water molecules across the cell membrane from hypertonic to hypotonic solution. (iii) The stage where chromosomes lie on the equator of the achromatic spindle. (iv) Alternative form of a gene on a pair of homologous chromosome. (v) Period of complete intrauterine development of the foetus. [5] (d) Given
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How Does Salinity Effect Osmosis in Plant Cells? Introduction Osmosis is a type of diffusion but is the movement of water molecules in and out of the cells from a high concentration to low concentration through a semi permeable membrane. The aim of the experiment is to investigate the effect the salinity of solutions has on the process of osmosis and net weight gain/ loss by potato cells. This would be done by using similar size potato cubes and covering them with different concentrations of saline
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