GAIN MUSCLES. Introduction. The assignment topic touches on a very important part of the human body a muscle. This is a soft tissue found on most animals and is made of cells that contain protein filaments of actin and myosin that slide past one another‚ producing a contraction that changes both the length and the shape of the cell. It function to produce force there location on the body or according to the functions and roles they play. They are the cardiac muscles (muscles covering the heart)‚ the
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typical plant cell structure. Hypothesis: An increase in temperature will damage and denature the plasma membrane and cause the cytoplasm and other substances contained within the membrane to leak out. Introduction: The purpose of a cell membrane is to control the transport of substances moving into and out of a cell. The membrane is an extremely thin layer (8 to 10 manometers (nm)) thick‚ which is partially permeable. It consists mostly of lipids and proteins. The lipids found in cell membranes
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Effects of Tonicity on Cell Membrane Abstract The purpose of this experiment was to determine the effects of tonicity on a cell membrane using red blood cells‚ potato strips and three unknown solutions (A‚ B‚ C). First three slides were prepared containing RBC’s and unknown solutions A‚ B and C. A control slide was prepared only using RBC’s. After observing each slide under the microscope it was determined that unknown solution A was hypertonic because the RBC appeared to have shrunk. The
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Fiber Optic Connector Assembly Oven-Cured Epoxy Application and Connector Assembly: 1. Set the curing oven to the temperature recommended by the epoxy manufacturer. 2. Follow manufacturer’s instructions for mixing the epoxy. 3. Secure needle to the syringe and load the syringe with epoxy while ensuring it is free of air pockets. 4. Insert the needle tip into the back of the connector until it bottoms out against the ferrule. Maintain pressure and slowly inject epoxy until a bead appears on the end
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Title: Observation of Macroscopic Chemical Changes‚ Alice Kimbrell‚ Chemistry 101-DS01:74589‚ 5/31/2013. Purpose: In this lab‚ I will observe macroscopic changes that occur when mixing together certain chemicals and household cleaners. The mixing of the chemicals provided with each other and with acid/base indicators demonstrates how matter can change‚ and how chemistry can be seen with the naked eye. By mixing household cleaners with an acid/base indicator I hope to demonstrate how these
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3.01 Cell Cycle Lab Report Safety Notes: * Always handle microscopes and glass slides carefully. * Wash your hands after handling the prepared specimens. Materials: * Compound light microscope * Glass microscope slide with prepared onion root tip specimen Purpose: * understand and identify the stages of the cell cycle and mitosis. * apply an analytical technique to estimate the relative length of each stage of the cell cycle. Hypothesis Procedure: I predict that
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Exercise 5: Cardiovascular Dynamics: Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. 1. Blood flow is measured in You correctly answered: b. ml/min. 2. Which of the following has the greatest effect on blood flow? You correctly answered: a. blood vessel radius 3. Which of the following would not result in a decrease in the blood vessel radius? You correctly answered: c. vasodilation
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Lab Report: Animal Behavioral Diversity Biology 112 Lucas LLona 5-7-13 1) a. Based on background knowledge regarding beta fish‚ I believe that the male beta fish will be the first out of the two specimens to display any aggressive behavior. b. - Pectorals flap at rapid speeds when the beta fish is uncomfortable and appears agitated. - The gill cover expands in size when the beta fish is uncomfortable. - Caudal fin moves quickly when agitated and also determines how quickly the specimen
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Natalie Salaverria 01/21/11 LAB EXERCISE I After the first exercise : Simulating Simple diffusion Which Materials diffused from the left beaker to the right beaker? NaCl ‚ Urea ‚ Glucose Which did not ? Albumin Why ? Albumin’s Composition or charge was too great to diffuse through the membrane. After the 2nd activity : Simulating Dialysis What happens to the urea concentration in the left beaker (the Patient)? It diffused to the right beaker Why does this occur? The excess
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Lab 8: Isopentyl Acetate CHM 2211L October 22‚ 2014 Abstract Many esters are naturally occurring compounds that are responsible for the fragrance of fruits and flowers. Isopentyl Acetate is the compound responsible for the smell of bananas. However‚ when Isopentyl acetate is treated with H3O+ it will hydrolyze back into the carboxylic acid‚ which will change the fragrance. In this experiment 3.11g of Isopentyl Acetate were produced with a 51.92 percent yield. Introduction Esters are carboxylic
Free Carboxylic acid Ester Acetic acid