Alvaro Comino LAB REPORT 4 CONNECTIVE TISSUE (SPECIALIZED) I. Abstract In this experiment‚ identification and classification of different types of connective tissue was performed. Also‚ cells and extracellular matrix was to be identified in them. For this‚ different already prepared slides were chosen and observed under the microscope to then identify the different parts. II. Introduction Apart from the bone and cartilage‚ the rest of the specialized connective tissues are divided
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The Lymphatic System Laszlo Vass‚ Ed.D. Version 42-0024-00-01 Purpose A. What was the purpose of doing this exercise? The purpose of this exercise was to learn about the lymphatic system and its components. We learned about lymph‚ structure and function of lymph nodes‚ T-Cells‚ B-Cells‚ and Macrophages‚ and differentiating between antigens and antibodies. Exercise 1: Microscopic Anatomy of Lymphatic Structures A. Sketch of Reticular Connective Tissue Slide (Lymph Node)
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Redox Titration Lab ABSTRACT: In this lab‚ 0.010 M purple-colored potassium permanganate solution was standardized by redox titration with iron (II) ammonium sulfate hexahydrate (FAS). The average mass of the three flasks of FAS was 0.483 grams. Once the concentration of the standard solution of KMnO4 (aq) was determined‚ it was used to determine the concentration of Fe2+ in iron pills. On average‚ there was 0.01813 L of solution used. With this information and the balanced net-ionic equation
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Lab 5 NEWTON’S THIRD LAW AND Tension FORCES "Many a small thing has been made large by the right kind of advertising." -Mark Twain "What is the difference between unethical and ethical advertising? Unethical advertising uses falsehoods to deceive the public; ethical advertising uses truth to deceive the public." -Vilhjalmur Stefansson I saw a subliminal advertising executive‚ but only for a second. -Steven Wright • To develop an understanding and consequences of Newton’s Third
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document to report your findings from the PopEcoLab Exploration Experiment. The lab report consists of three sections: Data‚ Exploration‚ and Lab Summary. • Data: copy any data‚ graphs‚ charts‚ or notes that you have saved in your PopEcoLab online notebook into this section. • Exploration: Answer the questions. The questions in the Exploration section are the same questions in your PopEcoLab instructions. • Lab Summary: Write a 100- to 200-word summary. Data To copy your data from your
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Evolution Unit: Objectives AP Biology Upon the completion of the textbook readings in Chapters 22-26 you should be able to: Chapter 22 1. Explain how the principle of gradualism and Charles Lyell’s theory of uniformitarianism influenced Darwin’s ideas about evolution. The basic idea of natural selection is that a population of organisms can change over the generations if individuals having certain heritable traits leave more offspring than other individuals. The result of natural selection
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variable represents the length of the string and the dependent variable represents the period of one oscillation. The control variable is the mass of the pendulum. In this lab our goal was to see if we can prove if the acceleration due to gravity is 9.8m/s2. The R2 in this lab is closed to 9.8 m/s2 . The formula that we used in this lab is T=2πLg and then we solved for g=L(T2π)2. HYPOTHESIS: The gravity will be 9.81 m/s2 at sea level due to the acceleration. PROCEDURE: Materials: stopwatch‚ meter
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use they are derived from and drain into arterioles. 3. Damage to the renal medulla would interfere first with the functioning of the collecting ducts. 4. Which is reabsorbed by the proximal convoluted tubule cells?Na+‚K+‚ amino acids. 5. Glucose is not normally found in the urine because it is reabsorbed by the tubule cells. 6. Filtration at the glomerulus is inversely related to capsular hydrostatic pressure. 7. Tubular of glucose and many other substances is a Tm limited active transport of Na+
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Unit 5 Describe the two process by which hormones can cause certain genes to be turned on. (4) Any 2 from: - A hormone binds to a receptor in the cell surface membrane - Idea of the receptor causing (chemical) changes inside the cell - A (functional) {second messenger} activates an {enzyme/transcription factor/eq} Any 2 from: - Idea of a hormone entering the cell through the cell membrane - The hormone binds to a receptor - The {hormone-receptor complex/eq} acts as a transcription factor
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were tested to find the absorbance levels of ONP. Three different pH values‚ 5‚ 6‚ and 7‚ in solution‚ were tested over a period of 8 minutes and their absorbance’s recorded. Both plots of data were then used to find at which concentrations of ONP absorption levels‚ and thus enzyme activity rates‚ were at their highest across each of the three pH solutions. Based on the results of both experiments‚ it was found that a pH of 5 is the optimal pH for the productivity of lactase enzyme. INTRODUCTION:
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