Osmosis Essays and Term Papers
Last update: July 22, 2014-
Osmosis
Aim: The aim of this experiment is to investigate the movement of water into and out of plant cells by osmosis. The cells chosen for study will be taken from potato tubes as they provide a ready supply of homogeneous material. I did the investigation in two parts, the first part of my investigation was my preliminary investigation and then I did my official investigation. In both of my investigations there are several similarities, such
Rating:Essay Length: 507 Words / 3 PagesSubmitted: February 12, 2010 -
Osmosis in Potato Course Work
What affect does concentration of solution have on potato tissue? In my preliminary investigation, I will be controlling the following variables: • length of potato cylinder; • amount of solution / water; • type of potato; • size of potato; • temperature of water; • same ruler / person. Changing the concentration of solution: Using three glass test tubes, I will set up the following configuration: • Test tube 1 - Distilled water; • Test
Rating:Essay Length: 332 Words / 2 PagesSubmitted: March 5, 2010 -
Osmosis
In this case study I will be looking at how osmosis affects a potato chip. My aim is too investigate the effect of varying concentrations of a certain salt solutions; and water, on the amount of osmotic activity between the solution and a potato chip of a given size and mass. Osmosis Osmosis is the movement of a solvent, usually water, through a semi-permeable membrane. The solvent moves from a low concentration to high
Rating:Essay Length: 488 Words / 2 PagesSubmitted: March 10, 2010 -
Osmosis in Potato Chips
The biological importance of water and its role in living organisms What is water? Water (from the Old English word water) is a colourless, tasteless, and odourless substance that is essential to all known forms of life and is known also as the most universal solvent. Water has a very simple atomic structure, the structure consist of two hydrogen atoms bonded to an oxygen atom, which can also be related to as hydrogen oxide.
Rating:Essay Length: 573 Words / 3 PagesSubmitted: March 21, 2010 -
Osmosis
Osmosis is a specialised form of diffusion. Water moves from an area of LOW concentration of Solute to an area of HIGH concentration of solute through a semi-or fully permeable membrane by the process. Water moves constantly through the cell’s membrane its estimated that about 250 times the volume of a single cell moves through 1 per second This continues until the solute concentration reaches equilibrium It is convenient to express the available energy per
Rating:Essay Length: 1,234 Words / 5 PagesSubmitted: March 25, 2010 -
Osmosis Courswork
Analysis The trend that my graph and results show is that when the potato was placed in a solution that had a higher concentration than the chip itself, the potato lost weight (0.4, 0.6, 0.8 and 1.0 molars). In the same way when the potato chip was placed in a solution that had a lower concentration than itself, the potato chip gained weight (0.0 and 0.2 molars). For my results I calculated the percentage gain/loss
Rating:Essay Length: 720 Words / 3 PagesSubmitted: April 5, 2010 -
Osmosis
The purpose of undergoing the lab was to analyze the process of diffusion through semisolids. Along with investigating the course of diffusion, focusing on the path of osmosis was additionally significant. In order to comprehend these vital developments, a definition is necessary. In the structure of a cell, “diffusion is the random movement of molecules from the area of higher concentration to the area of lower concentration, until they are equally distributed” (Mader, 2006). There
Rating:Essay Length: 502 Words / 3 PagesSubmitted: April 20, 2010 -
Investigating Osmosis
Osmosis is the diffusion of water molecules across a semi-permeable membrane. Diffusion is the movement of molecules from an area of high concentration, to an area of low concentration. So, Osmosis is the movement of water molecules from an area where there are lots of water molecules to an area where there are few water molecules. Our aim is to find the concentration of dissolved substances in the cells of a potato using Osmosis. I
Rating:Essay Length: 616 Words / 3 PagesSubmitted: April 27, 2010 -
Osmosis with Potato Chips
My Investigation on osmosis Osmosis is a special kind of diffusion. While diffusion can describe the movement of any kind of molecule, osmosis is only about the movement of water molecules. To show this diffusion I will be using potato discs, of the same size and mass, in different concentrations of sugar solution to find out whether the mass of the discs increases or decreases depending on the concentration. I predict that when the sugar
Rating:Essay Length: 633 Words / 3 PagesSubmitted: May 12, 2010 -
Osmosis in onion Cell
The aim of the sixteenth of November experiments was to observe how three different solutions with various sucrose concentration influenced osmosis in relation to three onion cells and the impact on the cells structure. A small square of a red onion skin (membrane) was observed under a microscope at high power (X40) magnification. The observation showed a large number of onion cells. The structure of one onion cell had a general rectangular shape with a
Rating:Essay Length: 670 Words / 3 PagesSubmitted: May 13, 2010 -
Rate of Osmosis Increases as Temperature Increases
Stephanie Parker Bio 111 Kayla McRobb 05/10/2015 Rate of Osmosis Increases as Temperature Increases Abstract: Osmosis assists the cell to reach equilibrium by the diffusion of water to create an isotonic environment. This experiment was preformed to determine whether temperature influences the rate at which water is diffused though the membranes. We hypothesized that the rate of osmosis would increase with a higher temperature. We used three different osmometers with a 40% sugar solution was
Rating:Essay Length: 1,045 Words / 5 PagesSubmitted: December 8, 2015 -
Diffusion and Osmosis: Observing Osmosis in Living Cells
Kathryn Ancarrow Farr AP Biology 7.03 Lab Report 3/30/17 Title: Diffusion and Osmosis: Observing Osmosis in Living Cells. Abstract: The purpose of this lab was to observe diffusion across a cellular membrane and exactly how materials move and diffuse in concentration. Both diffusion and osmosis are forms of movement that are part of passive transport dealing with cell membranes. Potatoes were placed in 6 different sucrose solutions to determine the concertation for an allotted amount
Rating:Essay Length: 456 Words / 2 PagesSubmitted: April 14, 2017