BioLab3 Cell Membranes Lab Report Student Name: I. Diffusion Define the following terms. Solvent Solute Solution. Diffusion Concentration gradient Dynamic equilibrium EXERCISE 1 – Factors influencing rate of diffusion Predict how molecule size and temperature will affect the outcome of this experiment. Record the data from the information in the lab. Potassium Permanganate R.T. Methylene Blue R.T. Time (min) Total Diameter
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Title: The effect on temperature on beet cell membranes. Introduction A cell membrane or plasma membrane is very important in protecting cells. A cell membrane is a thin layer that protects the cells. The membrane is filled with lipids and proteins. The cell membrane protects the cell from ions and molecules that enter and exit the cells. I hypothesize that at -5 degrees Celsius‚ the color intensity will be a 1. I hypothesize that at 5 degrees Celsius‚ the color intensity will be a 2
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Christie’s Hercule Poirot and Sir Arthur Conan Doyle’s Sherlock Holmes have become two of the greatest well-known characters in detective fiction. They are intricate characters with profound skills‚ exceptionally distinct personalities‚ and two different approaches that leave the audience always wanting additional stories. There is‚ without a doubt‚ no wonder why these two have plummeted from their stories and become incredibly realistic to readers all over the world. Each character has his own prestige
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Testing Cell Transportation Across a Membrane Introduction Cells have the amazing ability to transport certain molecules in or out of their membrane. Some require no energy to do so (passive transport) while others require energy to be processed through (active transport). There is also the transportation of water across a membrane‚ which has its own term of osmosis. Too much of something can be taken in‚ or too little enters. This especially happens to plants‚ who require water (and sun) to live
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Investigating the effect of temperature on plant cell membranes The purpose of this activity is: • to practise experimental and investigative skills • to investigate the effect of temperature on cell membrane structures Procedure SAFETY: Always carry scalpels clasped to a tile and with the tip pointing away from you. Beetroot cells contain pigments called betalains that give the tissue its dark purple-red colour. The pigment is contained in the cell vacuole. Investigation a. Collect
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EXPERIMENT 7: PERCENTAGE OF OXYGEN IN KClO3 Introduction: In this experiment you will determine the percentage of oxygen in potassium chlorate. You will calculate the theoretical value from the chemical formula and compare your experimental value to the theoretical value. Background: When potassium chlorate (KClO3) is heated‚ it undergoes chemical decomposition. Oxygen gas (O2) is given off and potassium chloride (KCl) remains as the residue. The equation for the decomposition of potassium
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Aristotle saw tragedy as centering around a tragic hero‚ a basically noble person (well‚ he said "man") with a tragic flaw--hamartia. This flaw ususally took the form of hubris--excessive pride‚ so excessive that the person with it considered himself equal to the gods and thus‚ with no sense of his own ability to make mistakes‚ made some really terrible ones. Aristotle’s tragedy involved a change (reversal) of fortune‚ which could go from bad to good just as well as from good to bad. He did‚ however
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Cell Membranes and Transport Hands-On Labs‚ Inc. Version 42-0033-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing
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the attributes which rendered them as gods aside from having certain powers. It was also nearly impossible to become a god‚ and if one had become a god there was always a catch. Achilles‚ for instance‚ had become immortal except for one place on his body which was vulnerable – his heel (since it didn’t touch the “holy
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Daniel Schapira Dev of Western Civ Dr. Patrick Macfarlane 9/21/14 Medea Seminar Question 5 The “barbarian” woman Medea is similar to the Greek male Achilles in the Iliad. In Euripides Medea‚ Medea seeks revenge against Jason after Jason abandons her and their children. Jason abandons his own children in order to remarry with Glauce‚ the daughter of Creon‚ king of Corinth. (Svarlien‚ 14-25) In the Iliad‚ Achilles seeks revenge against Hector after Hector kills Patroclus. (Lombardo 21.105-110) Both
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