this lab the structures of various cells were viewed through a compound microscope. The bacteria in yogurt was viewed a long with a slice of potato‚ and a thin skin of red onion. The potato was dyed with iodine while the red onion was dyed with methane blue. The students had to assemble the first three slides. Two more slides were provided these are the yeast and protozoa cells. Those two are also viewed with the same microscope. Introduction Cytology is the study of cellular structure and function
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visually determine each phase through a microscope with a clear understanding of what is happening. With this knowledge and this visual a picture is to be drawn as descriptive as possible for each phase. Materials: The materials needed are; 1) Microscope 2) A slide containing plant cells 3) Blank paper 4) A half of a Petri dish to draw circles 5) A pen. Procedure: The steps to follow in order to properly conduct this lad are; 1) Get a microscope as directed by your teacher. 2) Get a
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The effects of caffeine on the heart rates of Daphnia. Introduction In the water flea‚ Daphnia‚ the single‚ small heart is easily visible when viewed under a low power microscope. The heart rate can be monitored and measured in different conditions‚ such as change in water temperature‚ or in this case‚ the concentration of chemicals added to the water they habitat. A change in daphnia heart rate under the influence of a concentration of caffeine solution creates a procedure providing an interesting
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CONFIDENTIAL AS/OCT2010/MIC455 UNIVERSITI TEKNOLOGI MARA FINAL EXAMINATION COURSE COURSE CODE EXAMINATION TIME GENERAL MICROBIOLOGY MIC455 OCTOBER 2010 3 HOURS INSTRUCTIONS TO CANDIDATES 1. 2. This paper consists of ten (10) questions. Answer ALL questions in the Answer Booklet. Start each answer on a new page. Do not bring any material into the examination room unless permission is given by the invigilator. Please check to make sure that this examination pack consists of: i) ii) the
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Fast dissolving oral film‚a new kind of drug delivery system‚ is a stamp-style drug loaded polymer film with rapid disintegration and dissolution in the saliva ‚self‑administration without water or chewing. It offers higher compliance against swallowing difficulty of conventional solid dosage form‚especially suitable for patients who have fear of choking such as pediatric and geriatric patients. However‚fast dissolving oral film is not suitable for poorly soluble drug because of the grittiness taste
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Final Program and Abstracts 6th ASM Conference on Biofilms September 29 – October 4‚ 2012 Miami‚ Florida © 2012‚ American Society for Microbiology 1752 N Street‚ N.W. Washington‚ DC 20036-2904 Phone: 202-737-3600 World Wide Web: www.asm.org All Rights Reserved Printed in the United States of America ISBN: 978-1-55581-876-0 Table of Contents ASM Conferences Information....................................... 2 Conference Organization........................................
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Experiment 112-5 Thin Film Interference Introduction When two waves of equal intensity combine‚ the intensity of the resulting wave can be anywhere between zero and four times the intensity of the individual waves‚ depending upon the phase difference between them. When they are in phase (the maxima coincide with maxima and the minima coincide with minima)‚ maximum intensity results. When they are exactly out of phase (the maxima of one wave coincide with the minima of the other wave)‚ the
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of the Cell Key Concepts: 4.1 The cell is the basic unit of life; its organization and size are critical in maintaining homeostasis‚ and its size and shape are adapted for its function. 4.2 Biologists study cells using microscopes and biochemical techniques such as fractionation. 4.3 Unlike prokaryotic cells‚ eukaryotic cells have internal membranes that divide the cell into compartments‚ allowing cells to conduct specialized activities within
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Review Guide Microscopes and Cells Test Tuesday‚ October 23 1. Be familiar with how to use light microscopes‚ and label the parts. 2. Be familiar with electron microscopes – what are the two kinds and how do they differ? 3. State the three basic tenets of cell theory. 4. Define/describe eukaryotic and prokaryotic cells‚ and know examples of each. 5. Be able to label diagrams of plant and/or animal cells. 6. Be very familiar with the structures and functions of all
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Cell Worksheet from Chaiken of Biology Cell wall cell membrane nucleus ribosome lysosome mitochondria cilia flagellum vacuoles chloroplasts 1. This organelle takes sunlight‚ water and carbon dioxide and can make organic food molecules and oxygen. Chloroplast 2. This organelle is constructed of cellulose and supports plant cells and prevents them from blowing up. Cellulos 3. This organelle contains enzymes for intracellular hydrolysis of food molecules. Lysosom 4. This organelle takes
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