Free Semipermeable membrane Essays and Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays

Free Semipermeable membrane Essays and Papers

Page 1 of 48 - About 475 essays
  • Good Essays

    Osmosis through a semipermeable membrane

    • 1201 Words
    • 3 Pages
    • 1 Works Cited

    Osmosis through a semipermeable membrane: effects of solution concentration on the weight of deshelled eggs Solutions are liquid monophase homogenous mixtures comprised of a solvent - usually, though not always, the prevalent substance and solute, the less prevalent substance. A dissolved substance will be distributed uniformly throughout the solution, at molecular level. The quantity of solute per unit of solution volume or mass is called concentration. This quantity can be expressed as mass per

    • 1201 Words
    • 3 Pages
    • 1 Works Cited
    Good Essays
  • Good Essays

    concentration so that both solutions have equal concentration via a semipermeable membrane, which is necessary, and it only applies to water. In the experiment, we are measuring the differences between the original mass and changed mass of potatoes in 5 sugar solutions with different concentrations each. Background information: What factors affect osmosis? We know that osmosis is the movement of water through a semi permeable membrane, from high to low concentrated areas. For example, the root hair

    • 1080 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Background information: Osmosis is very importance in biological processes where the solvent is water. The transport of water and other molecules across biological membranes is essential to many processes in living organisms (hyperphysics.phy-astr.gsu.edu) Osmosis is the movement of water molecules through a semipermeable membrane. Osmosis plays a vital role in living organisms. For example in plant cells they use osmosis in order to change the shape of their cells. A wall is used in order to give

    • 1290 Words
    • 3 Pages
    Good Essays
  • Better Essays

    mass and was hypotonic to its environment. Introduction In this lab we tested osmosis through a semi permeable membrane using dialysis bags (SCC Science Division, 2014). We also looked at osmosis in living cells of potatoes. When water is moved through a semi permeable membrane that is called osmosis. Passive transport is when molecules move with the concentration gradient across the membrane with no cellular energy used. Osmosis and diffusion are examples of passive transport. There is also active

    • 2246 Words
    • 5 Pages
    Better Essays
  • Satisfactory Essays

    Potato cells, Diffusion, osmosis, and Tonicity by Michaela Cupp Science Experiment Topic: which solution will help absorb the red dye into the potato cells, pure water or 50% salt water. Related research topics/terms: Diffusion, Osmosis, Tonicity are things I found during my experiment. An explanation of the links between the topics: The dye was diffusing through the potato cells, this is the link between diffusion. Osmosis is linked to the experiment because in order for the diffusion to work

    • 527 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Investigating the Factors that Affect Water Uptake by Potatoes Plan Osmosis is the movement of water from a region of a high concentration to a low concentration of water through a selectively permeable membrane. Aim To find the concentration of the solution in the vacuole of the potato. Prediction I predict that when the potato chip is placed into the water solution, its mass will increase because that water moves from a high concentration to a low concentration. When the

    • 807 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Potato Tubes Hypothesis: Osmosis is defined as the net movement of water molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement takes place across a partially permeable membrane e.g. a cell wall. This means that the cell wall will let smaller molecules such as water through but does not allow bigger molecules to pass through. The molecules will continue to diffuse until the area in which the molecules are found reaches

    • 1264 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    Diffusion Lab

    • 670 Words
    • 2 Pages
    • 1 Works Cited

    Purpose The purpose of this lab was to see firsthand the diffusion of a substance across a selectively permeable membrane. Diffusion is the movement of molecules from an area of high concentration to an area of lower concentration until both concentrations are equal, or as you could more professionally call it, equilibrium. This concept is one that we have been studying in depth currently in Biology class. Procedure We separated into groups of two each, making sure that we had the following

    • 670 Words
    • 2 Pages
    • 1 Works Cited
    Good Essays
  • Satisfactory Essays

    Osmosis Investigation

    • 1379 Words
    • 3 Pages

    Osmosis Investigation To se 6/03e how varying the concentration of Sucrose solution affects the water Gain or loses on a potato Chip during osmosis. Aim To investigate if osmosis occurs in potatoes and whether varying the concentration of sucrose solution affects the water/mass gain or loss in the potato chips when kept in a constant environment. Equipment * 5 same volume test tubes: to hold sucrose solution and potato chips. * 2M, 1M and 0.5 M sucrose solution (15ml)

    • 1379 Words
    • 3 Pages
    Satisfactory Essays
  • Satisfactory Essays

    The Effect of Sugar Solution on the Mass of Potato Chips Aim - The aim of this experiment is to find how changing concentrations of sugar solution affects the mass of potato chips. Plan ==== Preliminary Work ---------------- In my preliminary experiment my aim was to find out what the optimum length of potato chip would be to use in my actual experiment. My experiment consisted of using three off 2 cm's of potato chip and three off 3 cm's of potato chip. I only placed them

    • 1905 Words
    • 4 Pages
    Satisfactory Essays
Previous
Page12345678948