at the effects of osmosis in this lab through the examination of red blood cells (sheep)‚ plant cells (elodea)‚ and active transport in yeast. Under the microscope‚ we can determine the effects on plant and animal cells exposed to hypotonic‚ hypertonic‚ and isotonic sodium chloride solutions. Plant cells have a cell wall; however‚ animal cells do not. This is examined as a major difference between the two; therefore‚ under the microscope both cells appear much unique from one another. The animal
Premium Osmosis Concentration Chemistry
VII. Conclusion The hypothesis that if a potato is placed in a tube with different sucrose concentrations then the tube with the lowest concentration of sucrose will expand the potato the most because the water will move into the potato to even out the concentration levels of the sucrose/ water ratio inside and outside of the potato was supported by the data. The data shows that the potato submerged in the lowest concentration of the sucrose water solution had the greatest percent change in mass
Premium Concentration Chemistry Osmosis
properties of diffusion and osmosis to see the effects of either corn syrup or water on a shell-less raw egg over a three day period. While looking to see the effects of these liquids on the raw egg‚ one can also apply the properties of hypotonic‚ hypertonic‚ and isotonic solutions. Introduction Cells have an outer covering called the cell membrane. The membrane is selectively permeable meaning that it has tiny pores or holes that allow objects to move across it. The cell membrane controls what moves
Premium Osmosis Water Solution
BIOLOGY DB015 (ASSIGNMENT) PASSIVE AND ACTIVE TRANSPORT GROUP MEMBERS : ABDUL MUIN BIN ABDUL MALIK (MS1311580012) AIMAN HAKIM BIN A.MANAP (MS1311580006) MUHAMMAD AMIN BIN MAT SAUPI (MS MUHAMMAD FARIZUL BIN AMRAN (MS LECTURER : MISS AFIQAH BT MOHAMED Q INTRODUCTION The various organelles and structure within a cell require a variety of subtances in order to carry out their functions. In turn‚ they form products; some useful and some not. Most of these substances must pass in and
Premium Osmosis Cell membrane Diffusion
of the bag is hypotonic to the inside of the bag‚ which is hypertonic‚ the water’s net movement will flow into the bag. Also since the dialysis bag’s weight heavily depends on the amount of water‚ the mass will go up when water is gained. The class average for amount of mass gained was 22.55%. A bag that lost mass was the bag with 0% concentration‚ which means it has 100% water. The outside of the bag has 10.57% sucrose and 89.43% water. This makes the outside of the bag hypertonic to the inside
Premium Osmosis Cell membrane Chemistry
differentially permeable membrane. Therefore‚ potato cells‚ with their differentially permeable membrane‚ are selected as the medium for studying osmosis in this experiment. In this experiment‚ strips are cut from the same potato and placed in sucrose solutions with different concentrations to see if there are any changes in term of weight. Different concentration of sucrose solution is the independent variable while the volume and length of each potato strip and the amount of sucrose solution used
Premium Water Osmosis Chemistry
solution and were soaked in solutions of different concentrations. The diffusion of water across a semi-permeable membrane is called osmosis. When water diffuses‚ the water molecules move from a hypotonic environment to a hypertonic environment. Hypotonic means less concentrated than another solution. Hypertonic means more concentrated than another solution. If two solutions have equal concentration‚ they are said to be istonic Hypothesis: If three 8 in. sections of dialysis tubing are filled with
Premium Concentration Semipermeable membrane Osmosis
Effect of Osmosis on Egg Introduction: The purpose of this lab was to test the effects of hypertonic‚ isotonic‚ and hypotonic environments on the weight of a shell-less egg. We tested the weight of the egg after thirty minutes in water as well as corn syrup. I hypothesized that when the egg was placed in water‚ it would swell and gain weight because it was in a hypotonic environment. That hypothesis was correct as the egg grew slightly and the weight when up. I also hypothesised that when the egg
Premium Cell membrane Cell wall Red blood cell
for example‚ are placed in contact with an isotonic solution‚ they will neither shrink nor swell. However‚ if the solution is hypertonic‚ the cells will lose water and shrink (plasmolyze). A real life example of such an event occurring is the consumption of saltwater. Saltwater from the ocean is hypertonic to the cells of the human body; the drinking of ocean water dehydrates body tissues instead of quenching ones thirst. If the solution is hypotonic‚ for example deionised water‚ the cells will
Premium Water Osmosis
Title: Osmosis in quails’ egg Aim: To observe the effect of different concentrations of sodium chloride on a de-shelled quail’s egg To explain the effects in terms of osmosis Research Questions: Does the different concentrations of sodium chloride on a de-shelled quail’s egg effect the final mass of quail’s eggs that is measured by using electronic weighing balance? Introduction: “If a cell is to perform its functions‚ it must maintain a steady state in the midst of an ever-changing
Premium Sodium chloride Osmosis Concentration