Osmosis Lab Report The essential focus of the experiment was to acquire data for the mass change resulting from osmosis in order to determine the carbohydrate solution of the carrot cells. The carrots were a vegetable used within the experiment with a carbohydrate solution around .5 M. The hypothesis is if there are carrots in different carbohydrate solutions then there will be a percent change in mass. The carrots have large vacuoles that hold water‚ this allows the mass to increase when the hypertonic
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Chapter 6 Ossecous Tissue and Skeletal Structure The Skeletal system consists of bones and their associated connective tissues‚ including cartilage‚ tendon and ligaments. I. Function of the Skeletal System 1) Bone- The most rigid component of skeletal system a) Support- serves as a framework; Maintains body’s shape b) Protection- of critical internal organs‚ brain‚ heart and lungs c) Lever System- for muscles to produce body movements d) Mineral storage- e.g. Calcium and
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Investigatory Project In Science & Technology IV (Potato Battery) Submitted by : Eloisa Umali Chelsea Jayne D. Diaz Pia Angela Valencia Acknowledgement The researchers would like to acknowledge with sincerest gratitude the following persons for the support they gave to them in the accomplishment of this investigatory project. Mrs. Rosie Castillo‚ who guide us and helped us in making this project. Who gave us the opportunity
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The Osmosis Lab SHS Lacrosse Monster #2 Dates performed: 10/10/11 and 10/11/11 Introduction: The purpose of the laboratory investigation was to observe the diffusion of water across a semi-permeable membrane. In this lab‚ dialysis tubing was used to represent the semi-permeable cell membrane. Three dialysis tubes were prepared with 5% sucrose solution and were soaked in solutions of different concentrations. The diffusion of water across a semi-permeable membrane is called osmosis. When
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cell wall surrounding them. When the take up water by osmosis they start to swell‚ but the cell wall stops them from bursting. When they are put in dilute solutions‚ plant cells turn out to be “turgid” (swollen and hard). When the pressure inside the cell increases; No more water can’t enter the cell because the internal pressure of the cell is really high. “When plant cells are placed in concentrated sugar solutions they lose water by osmosis and they become “flaccid”; this is the exact opposite
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POTATO BATTERY Abstract a. Purpose To lessen the consume of electric charge b. Procedure We insert copper and zinc electrodes in to the potato‚ close but not touching each other. We use Clip leads to connect our electrodes to the Multimeter to measure voltage between two electrodes or current passing through the multimeter. For this experiment we removed the shell of a broken AA battery for our Zinc electrode. (Make sure to test your multimeter by connecting its Positive and Negative
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Undertake tissue viabillity risk assessments. 1.1 Describe the anatomy and physiology of healthy skin. Skin is the largest organ of the body‚ covering and protecting the entire surface of the body. The total surface area of skin is around 3000 sq inches or roughly around 19‚355 sq cm depending on age‚ height‚ and body size. The skin‚ along with its derivatives‚ nails‚ hair‚ sweat glands‚ and sebaceous glands forms the integumentary system. Besides providing protection to the body the skin has
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Muscle Tissue 1. How is muscle tissue categorized? Muscle tissue is categorized by its shape‚ the number of nuclei‚ and the mechanism of stimulation. 2. a. Click the Smooth Muscle Tissue. Identify each of the following: Nucleus----- Smooth Fiber Muscle------------------ b. Describe smooth muscle control (voluntary or involuntary). Involuntary c. Name some smooth muscle functions (click the “Tissue Locations” button). Smooth
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Digital Balance used to measure the mass of the potato strip before and after osmosis. Time should be kept constant when the potato strip is put into the solution Hypothesis: The mass of the potato strip will increase in water and dilute concentrations of sucrose depending on the concentration within the cell. When the concentration of the sucrose solution outside the cells of the potato strip will be less‚ the mass of the solution will increase as water molecules from outside will diffuse into
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Experiment: Osmosis in Sucrose Solutions Abstract We used dialysis tubing to simulate a semi-permeable membrane. Since molecules diffuse from their higher concentration to their lower concentration‚ water will move across the membrane in response to this concentration. While conducting this lab we were able to observe passive transport through diffusion and osmosis. Introduction Osmosis is a specialized case of diffusion that involves the passive transport of water. When osmosis occurs
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