ACTIVITY/REST * May report: Weakness‚ fatigue‚ exhaustion * May exhibit: Lethargy * Decreased muscle mass/tone CIRCULATION * May report: History of/recent onset of heart failure‚ pericarditis‚ rheumatic heart disease‚ or cancer (causing liver impairment leading to failure) * Easy bruising‚ nosebleeds‚ bleeding gums * May exhibit: Hypertension or hypertension (fluid shifts) * Dysrhythmias‚ extra heart sounds (S3‚ S4) * Jugular venous distension (JVD)‚ distended abdominal
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IB Biology Potato Lab Table 1: Trial Number | Concentration of Sucrose Solution (M) ±0.2 ml | Initial Mass of Potato Core Slice(g) ±0.1 | Final Mass of Potato Core Slices (g) ±0.1 | 1 | 0.0 | 7.7 | 9.3 | 2 | | 6.0 | 8.1 | 3 | | 6.2 | 7.4 | 4 | | 10.2 | 13.2 | 5 | | 8.7 | 10.3 | 6 | | 4.9 | 6.0 | 7 | | 9.2 | 10.4 | 1 | 0.2 | 5.8 | 6.0 | 2 | | 11.6 | 12.1 | 3 | | 2.5 | 3.1 | 1 | 0.4 | 14.4 | 13.9 | 2 | | 2.6 | 2.8 | 3 | | 8 | 6.5 | 1 | 0.6 | 7.3 | 5.3 | 2
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Lab Topic: Movement of Materials Across the Cell Membrane—Potato Tuber Cells Introduction: Osmosis is a form of diffusion in which water diffuses through a selectively permeable membrane from a region of high concentration to a region of lower concentration. This form of diffusion takes place when the molecules in high concentration are too large to move through the membrane. Three factors that determine cell membrane permeability are shape‚ size‚ and polarity. For this experiment‚ it must
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decided to do my experiment on chicken livers. It was interesting to do this experiment on chicken livers. The results were that since there is DNA I needed to stir the ingredients slowly and do the experiment as quickly as I can due to the fact that there are enzyme in the cells. I found out that liquid detergent is an active agent which the detergent destroy the cell membrane and also the protein. Abstract I chose to do my experiment on chicken livers to see what the results would be. The
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Sophie Murdock Osmosis Lab Osmosis in Plant Cells: Solution Initial Volume (mL) Final Volume (mL) Percent Change Distilled Water 0.8 1.0 125% 0.4% NaCl 0.5 0.8 160% 0.9% NaCl 0.6 0.8 133% 5% NaCl 0.6 0.5 83% 10% NaCl 0.6 0.5 83% 8. The cells in the solutions of distilled water‚ 0.4% NaCl‚ and 0.9% NaCl would all appear to be inflated and could burst. This is due to the fact that the solution is hypotonic to the potato‚ thus water is entering the cell. Meanwhile‚ the cells in the solutions
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The Liver is the largest internal organ in the human body. The liver is the body’s processing and “manufacturing” plant. It has hundreds of roles but the most important is adjusting and monitoring the chemical composition of your blood‚ breaking down food to convert it into energy when you need it. It also helps you fight infections. Its dark color is because of a rich blood supply. In the average adult is is about 8 inches wide‚ 6.5 inches long and 4.5 inches thick and weighs approximately 3.5
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CATALASE Catalase is a common enzyme found in nearly all living organisms exposed to oxygen. It catalyzes the decomposition of hydrogen peroxide to water and oxygen. It is a very important enzyme in reproductive reactions. Likewise‚ catalase has one of the highest turnover numbers of all enzymes; one catalase molecule can convert millions of molecules of hydrogen peroxide to water and oxygen each second. Catalase is a tetramer of four polypeptide chains‚ each over 500 amino acids long. It contains
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Science Lab Report INTRODUCTION |NAME: LORRAINE |LAB PARTNER: KAREN HO | |LAB EXPERIMENT: TESTING OSMOSIS WITH A POTATO |LAB DATE: NOV. 23rd / 2012 | |CLASS: Y-11-C |PERIOD:C | OBJECTIVE The weight of the potato slices will increase‚ decrease‚ or remain
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The Effect of pH on Enzyme Activity A piece of Solanum tuberosum (potato) was removed and mixed with distilled water in a blender. The resulting solution was filtered through multiple layers of cheese cloth to filter out the liquid by eliminating any large pieces in the solution. The solution created was catechol. Five different solutions were prepared as blanks with each test tube containing 6.0mL of a different pH (pH 4‚ pH6‚ pH7‚ pH8‚ pH10) of phosphate buffer‚ 1.0mL of the enzyme and 1.0mL of
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Practical: The Effect of the Enzyme Catalase from Chicken Livers on Hydrogen Peroxide [pic] Strand1: SA1‚ SA2‚ SA3 Date: Group Members: Marks: /12 (Part A) + /18 (Part B) = /30 INTRODUCTION: |There are many different reactions that are happening in our bodies all the time. There are reactions that build up molecules‚ | |synthesis/anabolic reactions‚ as well as reactions that break down molecules‚ catabolic reactions. Together
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