the effect of sugar on the mass of potato Introduction- diffusion is a passive transport where molecules move from areas of higher concentration to areas of low concentrations. Although the molecule ’s movement is random‚ equilibrium is being sought out. Osmosis is a type of diffusion only It involves water. In osmosis water diffuses from the area of high concentration to an area of low concentration‚ to diffuse the more molecule rich side. Because cells have selectively permeable membranes‚ meaning
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There‚ they can sometimes become infected leading to serious kidney infection called pyelonephritis. When kidney stone passes from the urine collecting system within the kidney into the ureter‚ it can act like a dam. preventing easy flow of urine from the kidney into the bladder. This causes urine to back up‚ increasing pressure and swelling within the kidney. Pain from a kidney stone can be excruciating‚ particularly as the stone is passing through the ureter. Kidney
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by one Image462.gif Which mixture will enable the fastest reaction to take place between solid calcium carbonate (marble chips) and dilute hydrochloric acid? [rr-13] YES concentrated acid‚ high temperature‚ small chips ? high temperature‚ small chips‚ dilute acid ? large chips‚ concentrated acid‚ low temperature ? low temperature‚ small chips‚ dilute acid Image50.gifImage51.gifImage52.gifSodium thiosulphate solution reacts with hydrochloric acid to form sodium chloride‚ sulphur dioxide
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® keep it simple science Copying is permitted according to the Site Licence Conditions only HSC Biology Topic 1 MAINTAINING A BALANCE What is this topic about? To keep it as simple as possible‚ (K.I.S.S.) this topic involves the study of: 1. ENZYMES & HOMEOSTASIS 2. TEMPERATURE REGULATION 3. INTERNAL TRANSPORT SYSTEMS 4. EXCRETION & WATER BALANCE but first‚ an introduction... Living Things are Made of Cells Homeostasis All living things are composed of microscopic units
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STUDY GUIDE FOR FINAL EXAM AP120 CHAPTER 16 Respiratory system (~20) 1) The atmosphere is composed of which gases? 78% nitrogen‚ 21% oxygen‚ .04 carbon dioxide Which gas is most abundant in the air you breath? Nitrogen 2) Define dypsnea – difficult or labored breathing‚ air hunger hyperventilation – breathing rapidly and deeply hypoventilation‚ cyanosis – a blueish color of the skin and mucous membranes and hypoxia – deficiency in the amount of oxygen reaching the tissues (oxygen levels are
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Patient Case Study: Fluid & Electrolyte Imbalance This patient case study report will outline the contributing factors related to a fluid and electrolyte imbalance‚ whilst assessing the medical and nursing management for the patient. Furthermore‚ an evaluation of the implemented nursing and medical treatment will also be discussed in this report. Introduction: Patient History: Mr. Richards presented to accident and emergency on the 7th October 2004‚ primarily due to the progressive
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Physiology Exercise 9 page. 121 Name: SC 245 L Date: Point Break down: 100 points Questions: 60 points Data/Results: 15 points Summarizing activities: 25 points Introduction: In this lab we will learn how the kidney processes blood and produces urine. Activity 1: Investigating the Effect of Flow Tube Radius on Glomerular filtration. Data/Results: Please submit a chart or type your data. Questions: Please answer the questions in complete sentences and explain your answers. 1. What effect does
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(right). The product of the kidneys is urine‚ a watery solution of waste products‚ salts‚ organic compounds‚ and two important nitrogen compounds: uric acid and urea. Uric acidresults from nucleic acid decomposition‚ and urea results from amino acid breakdown in the liver. Both of these nitrogen products can be poisonous to the body and must be removed in the urine. Nephron The functional and structural unit of the kidney is the nephron. The nephron produces urine and is the primary unit of homeostasis
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In a recent large retrospective review‚ the median age was 11 years. The leading cause of rhabdomyolysis in the 0-9 year age range was viral myositis‚ whereas the leading diagnosis in the 9-18 year age range was trauma. Signs and Symptoms The urine appears dark or burgundy. There is pain and tenderness in the affected muscles. There may be weakness of the damaged muscles. Renal failure Biochemical Disorder (brief description and explanation using concepts in biochemistry‚ cell biology
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which was water‚ Gatorade and wine in this case‚ along with an excess amount of solute‚ which was the 7g NaCl pill‚ would affect the kidneys and the osmolarity of urine. Measurements of urine volume‚ specific gravity and chloride concentrations were recorded in order to investigate this. Our hypothesis stated that the volume of urine would increase for all groups other than the group drinking 80 ml of water along with taking a 7g. This portion of the hypothesis was developed based on the relationship
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