Potassium Chloride And The Molecules Through Semipermeable...

Potassium Iodide Binds to Polysaccharide Molecules through Semipermeable Membrane Introduction: Diffusion is defined at the net movement of molecular substances from an area of high concentration to an area of low concentration. Beyond that, diffusion can further be divided into two different kinds of net movement of substance to opposing concentration gradients, dialysis and osmosis. Dialysis is defined as the separation of small molecules from large molecules as they pass through a semipermeable membrane (Koerner, 1992). When talking about dialysis, it is most often associated with the function or failure of the kidneys ability to process and rid the body of toxins from the blood. It would prove to be fatal if the kidneys failed to remove the roughly 1,500 liters of waste building up in the body (Nordqvist, 2015). This experiment mimics the nature of a selective plasma membrane and with time, monitors to passing of substances in and out of the barrier. The end results should appear to show a color changing chemical reaction within the more concentrated tube of 15%glucose/1%starch solution. Initially the clear and milky appearance should transform into a black and deep purple hue from the attachment of iodine to the sugar solution. The experiment has been conducted previously yielding various results. External factors affecting the rate of diffusion play a part in this experiment. Heat due to its influence on the thermodynamics of the molecular substances. IncreasingShow MoreRelatedFluid Concept Pro ject Part 21706 Words   |  7 Pagesfrom each other and an explanation will be discussed next. Intracellular fluid is found within the cells of the body, which constitutes approximately 2/3 of the total body fluid in adults† (Trakalo, 2015, p. 336). According to Trakalo (2015), â€Å"Potassium and magnesium are the primary cations in the ICF, while phosphate and sulfate the major anions† (p.336). In intracellular fluid, it contains oxgen, carbon dioxide and dissolved nutrients (Crawford, LippincottNursingCenter ® 2011). ExtracellularRead MoreTransport Proteins on Strike Essay1059 Words   |  5 Pagesof the cell membrane, in a phospholipid bilayer. Phospholipid molecules form two layers, with the hydrophilic (water loving) head facing the extracellular fluid and the cytosol (intracellular) fluid, and the hydrophobic (not water loving) tails facing one another. The cell membrane is constructed in such a way that it is semipermeable, and allows oxygen, CO2 and lipid soluble molecules through easily, while other molecules like glucose, amino acids, water, and ions cannot pass through quite as easilyRead MoreAdvanced Key Terms Of Central Line- Iv Line911 Words   |  4 Pagesnear the heart hypertonic- fluid on the outside of the cell membrane has a greater tonicity and osmotic pull than on the inside of the cell membrane hypotonic- fluid on the outside of the cell membrane has a lesser tonicity and osmotic pull than the fluid on the inside of the cell membrane osmolarity- concentration of solute in the solution osmosis- a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated oneRead MoreFluid Concept Project Part 21173 Words   |  5 Pages Since our body consists of this fluid, it has to have way to move through the body. The means of transportation for this fluid is through either active transport or passive transport. Active transport is the movement of fluid from lower concentration to higher concentration, it requires the use of cellular energy to move up the concentration gradient. Active transport happens through endocytosis, exocytosis, and sodium-potassium pump. Passive transport is the movement of fluid form a higher concentrationRead MoreStudy Guide for Human Nutrition Test2557 Words   |  11 PagesHUN1201 Exam III Study Guide Chapter 14 1) Fuel/energy needs for Physical Activity (different intensities), during and post exercise -Adenosine triphosphate (ATP): o The energy-carrying molecule in the body (ATP must be generated continuously since muscles store only enough ATP for 1–3 secs of activity) -Creatine phosphate (CP): †¢ Stores energy that can be used to make ATP †¢ 3−15 seconds of maximal physical effort *(0-3 sec) 100% ATP/CP *(10-12 sec) 50% ATP/CP 50% Carbohydrates Read MoreEssay about Physioex 3 Review Sheet2459 Words   |  10 PagesPhysiology I - 333738 Fall Term 2010 Larry Chad Winter lwinter@fscj.edu Submitted - 9/18/2010 NAME Mark Graham Cell Transport Mechanisms and Permeability Activity 1: Simulating Dialysis (Simple Diffusion) Chart 1 – Dialysis Results |Membrane (MCWO) | |Solute |20 |50 |100 Read MoreCell Transport Mechanisms8945 Words   |  36 Pages11M01_ZAO2177_01_SE_CH01.QXD 3/4/11 1:36 AM Page 1 E X E R C I S E 1 Cell Transport Mechanisms and Permeability P R E - L A B Q U I Z 1. Circle the correct term. A passive process, diffusion / osmosis is the movement of solute molecules from an area of greater concentration to an area of lesser concentration. 2. A solution surrounding a cell is hypertonic if: a. it contains fewer nonpenetrating solute particles than the interior of the cell. b. it contains more nonpenetrating soluteRead MoreCell Membrane and Bloom S Category9348 Words   |  38 PagesChapter 6: Cell Membranes TEST FILE QUESTIONS (By Catherine Ueckert) Multiple Choice 1. The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are a. integral membrane proteins. b. carbohydrates. c. lipids. d. nucleic acids. e. peripheral membrane proteins. Answer: c Textbook Reference: 6.1 What Is the Structure of a Biological Membrane? Page: 106 Bloom’s Category: 1. Remembering 2. The plasma membrane of animals containsRead MoreOsmosis10180 Words   |  41 PagesOBJECTIVE The objective of this experiment is to develop an understanding of the molecular basis of diffusion and osmosis and its physiological importance. Students will analyze how solute size and concentration affect diffusion across semi-permeable membranes and how these processes affect water potential. Students will also calculate water potential of plant cells. EDVOTEK, Inc. †¢ 1-800-EDVOTEK †¢ www.edvotek.com EVT 080423AM 2 AP Biology EDVO-Kit # 281 Principles Practice of DiffusionRead MoreSexually Transmitted Diseases35655 Words   |  143 Pagesintegrating previous knowledge. To be termed scientific, a method of inquiry must be based on gathering observable, empirical and measurableevidence subject to specific principles of reasoning. A scientific method consists of the collection of data through observation and experimentation, and the formulation and testing of hypotheses.Scientific researchers propose hypotheses as explanations of phenomena, and design experimentalstudies to test these hypotheses. Steps in the Scientific Method 1.