Date: 28/11/13 EVALUATION OF THE EFFECT OF SODIUM CHLORIDE ON ONION EPIDERMAL CELLS INRODUCTION A living plant cell will shrinks or swells depending on the solute concentration of the cell in relation to the solute concentration of the fluid surrounding the cell (1). It follows that water will move from a region of high water concentration to a region of low water concentration therefore‚ if a cell is placed in a hypertonic solution water will move from the cell into the solution until the
Free Cell Microscope Sodium chloride
| The effect of salinity on osmosis of solanum tuberosum L.(potatoes) | Biology HL Internal Assessment – Year 10 | | Teresa Nguyen | | Table of Contents 1 DESIGN 2 1.1 Defining the problem 2 FOCUS QUESTION 2 HYPOTHESIS 2 BACKGROUND INFORMATION 2 INVESTIGATION VARIABLES 3 1.2 Controlling Variables 3 TREATMENT OF THE CONTROLLED VARIABLES 3 CONTROL EXPERIMENT 4 1.3 Experimental Method 4 MATERIALS 4 RISK ASSESSMENT 5 METHOD 5 2 DATA COLLECTION and PROCESSING 7 2.1 Recording Raw
Premium Sodium chloride Concentration Water
Introduction: In this experiment‚ you will study osmosis. Your task is to design an experiment that will determine what concentration of solute is isotonic with the specimen cells. (Design) Procedure: You will be provided with the following materials: Potato‚ potato corer‚ scalpel‚ forceps‚ electronic balance 10 % salt solution‚ distilled water‚ 50 mL beakers‚ graduated cylinder‚ paper towel You must design a procedure that will enable you to determine the concentration
Premium Osmosis Chemistry Concentration
Lab Report INTRODUCTION: This experiment is being done to find out what happens to a carrot or a potato if you place them in two different solutions. Osmosis has a lot to do with this experiment and is the movement of water molecules from a higher concentration to a lower concentration. Osmosis only deals with water and is a type of diffusion. The difference between all three solutions is that in a hypertonic solution the cells fluid rushes out of the cell and causes it to shrivel. In a hypotonic
Premium Osmosis Chemistry Concentration
Reverse Osmosis For Wastewater Recycling Reusing treated wastewater for beneficial purposes‚ such as agricultural and landscape irrigation‚ industrial processes‚ toilet flushing‚ or groundwater basin replenishment‚ is growing in response to environmental and economic concerns. One of the key factors involved in recycling wastewater treatment plant (WWTP) effluent for another use is the need to reduce total dissolved solids (TDS). This is often done by using a reverse osmosis (RO) system‚ which
Premium Sewage treatment Wastewater
Osmosis in Red Onion Cells By: Youssef Gharib Brief Description of Osmosis in Red Onion cells: Osmosis is the diffusion of water from an area of low concentration to an area of high concentration across a semi-permeable membrane. The purpose of this lab is to compare the three different types of solutions affect on the relative size of the vacuole to the cell‚ the outer membrane of onion red cells (tunics) are used to figure out the different types. In the red onion you can see effects promptly
Premium Bacteria Protein Microbiology
Potato Osmosis Introduction: A shipwrecked sailor is stranded on a small desert island with no fresh water to drink. They know they could last without food for up to a month‚ but if they didn’t have water to drink they will be dead within a week. Hoping to postpone the inevitable‚ their thirst drives them to drink the salty seawater. They are dead in two days. Why do you think drinking seawater killed the sailor faster than not drinking any water at all? Today we explore the cause of the sailor’s
Premium Osmosis Chemistry Concentration
GCSE Music Specimen Assessment Materials For first teaching from September 2009 For first award in Summer 2011 Subject Code: 7010 Foreword The awarding bodies have prepared new specifications to comply with revised GCSE criteria. The specimen assessment material accompanying new specifications are provided to give centres guidance on the structure and character of the planned assessments in advance of the first assessment. It is intended that the specimen assessment materials contained in this
Premium Music Scientific method Value added
For this year’s GCSE English. Not sure what it’ll get. Bright‚ swirling colours gleamed beneath the beam of brilliant lights that hung above. Red shining plastics slipped between indigos and pale blues to build the sturdy chassis of miniature cars‚ trucks and lorries. Encased in clear plastic and lined across an array of long and seemingly endless shelves‚ the vehicles posed a formidable and imposing force‚ in stark contrast with the soft toys on the opposite side they faced. Across from the
Premium Boy Color Toy
This pack includes MAT 116 Assignment Functions and their Graphs Resource: Appendix E‚ MyMathLab® Due Date: Day 7 [Individual forum and MyMathLab®] Complete Appendix E to apply the skills learned in Ch. 7 to a real-life situation. Use Equation Editor to write mathematical expressions and equations in Appendix E. Complete the Week Six Assignment: Ch. 7 Quiz in MyMathLab®. This assignment assesses content learned in Ch. 7. Mathematics - General Mathematics Find
Premium Number Real number Decimal