Exocytosis Lab Report Rough Draft Abstract: In Paramecium caudatum‚ trichocysts are 10^3 secretory vesicles that are released from the cytoplasm. We first observed how the presence of Alcian blue dye triggers normal secretion of trichocysts‚ and we then tested four different hypotheses in order to determine how the presence of Ca++ ions in the extracellular and intracellular environment affects the secretion of trichocysts. Our first our hypothesis tested whether extracellular calcium is
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In this enzyme lab‚ (insert creative name)‚ the enzyme catalase was observed under varying conditions in order to interpret what prohibits and inhibits the functioning of certain enzymes in chemical reactions. Enzymes aid in chemical reactions by speeding up the time it takes for the reaction to occur‚ without getting “used up” throughout the process. Catalase‚ the specific enzyme used in this lab‚ is a protein abundant in the liver and red blood cells. It enhances the breakdown of hydrogen peroxide
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with the lab equipment such as the microscope‚ square glass‚ cover slips‚ etc.; to facilitate students to observe the pond water; and enable them to discern and identify the microbes as bacteria‚ algae‚ fungi‚ or protozoa within the pond water. Additionally‚ this lab experiment will permit students to observe and distinguish the yeast suspension from the other microbes. Data/Results: (Attached) Conclusion: The student acquired the fundamental skills in which to properly handle lab equipment
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Microbiology: study of small living things study of bacteria: bacteriology study of viruses: virology study of parasites: parasitology study of fungi: mycology NOT ALL BACTERIA ARE PATHOGENS (disease causing) antibiotic: used to treat bacterial infections and diseases (penicillin‚ mold‚ 1929) bioremediation: using bacteria to clean up toxins pathogenesis: ability of an organism to be pathogenic virulence factors: toxins‚ receptors‚ cellular composition innate immune response v.s
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What is the effect of a non-volatile impurity on the boiling point of a substance? of a volatile impurity? A non volatile impurity which is added to the volatile liquid‚ it’s boiling point will increase. It is due to some of effective surface area which is available for evoperation is occupied by non volatile substance. If another volatile impurity is added then 1) if it does not chemically react with given liquid then boiling point will decreade due to increase in vapour pressure. 2) if it chemically
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------------------------------------------------- Application of Statistical Concepts in the Determination of Weight Variation in Samples Maria Catherine C. Cabrera Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City June 19‚ 2013 ------------------------------------------------- June 26‚ 201 ------------------------------------------------- Abstract In this experiment‚ different statistical concepts; such as Q-test‚ Mean‚ Standard Deviation‚ Range‚ and Confidence interval
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The VSEPR Model 10.33 Predict the shape or geometry of the following mole- cules‚ using the VSEPR model. a. SiF4 b. SF2 c. COF2 d. PCl3 10.34 Use the electron-pair repulsion model to predict the geometry of the following molecules: a. GeCl2 b. NF3 c. SCl2 d. XeO4 10.35 Predict the geometry of the following ions‚ using the electron-pair repulsion model. a. ClO3? b. PO43? c. SCN? d. H3O? 10.36 Use the VSEPR model to predict the geometry of the fol- lowing ions: a. N3? b. BH4? c. SO32? d. NO2
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A prominent Anglo-indian‚ Derozio played a major role in introducing western attitudes into Indian intellectual life. He taught literature and history at Hindu College‚ Calcutta and was perhaps the first nationalist poet of modern India. Drawing inspiration from French Revolution‚ he inspired his pupils to think freely and rationally‚ question all authority‚ oppose meaningless customs and traditions. He started a discussion group—the Academic Association—to enable interaction amongst students. He
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The objective of this macromolecules lab was to identify the presence any of the major macromolecules in various every day food items. The three macromolecules that this lab was carried out for were carbohydrates‚ lipids‚ and proteins. There were five different experiments conducted and each of those experiments had one factor in common‚ they all had the same controls. The controls in this lab activity were already set for the lab activity. The controls were the distilled water and the baking soda
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Unknown Lab Report Unknown Organism #6 Ann Le (Phuoc) May 6‚ 2010 Dr. Carrington Microbiology Lab- MW 12:50 Le 1 I. Introduction My unknown organism #6 is Morganella morganii‚ which is a gram-negative bacillus rods commonly found in the environment and also in the intestinal tracts of humans‚ mammals‚ and reptiles as a normal flora. (3‚ 5) This bacterium Morganella morganii‚ was first discovered in the 1906 by a British bacteriologist named H. de R. Morgan. (2) Despite its wide
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