The CELL THEORY‚ or cell doctrine‚ states that all organisms are composed of similar units of organization‚ called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin’s theory of evolution (1859)‚ Mendel’s laws of inheritance (1865)‚ and the establishment of comparative biochemistry (1940). Ultrastructural research and modern molecular biology have
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MBK – Lab Report Name: _Bri White_________ Section: ___________________ Observing Bacteria and Blood Questions: A. List the following parts of the microscope and describe the function of each A- Eyepiece: Viewing and identifying objects within the viewing field B- Main Tube: Connects eyepiece lenses to objective lenses C- Nosepiece: Holds objective lens and rotates them D- Objective Lens: Provides different focal lengths E- Stage: Holds the specimen or slide F- Diaphragm:
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Box 353055 · University of W ashington · Seattle W A 98195-3055 www.hallway.org Science‚ Discrimination‚ and the Blood Supply: San José State University’s Blood Drive Ban San José State University Suspends Campus Blood Drives On January 29‚ 2008‚ Don W. Kassing‚ President of San José State University (SJSU)‚ announced that he was suspending indefinitely all blood drives taking place on the SJSU campus‚ plus any drives taking place elsewhere that were arranged by employees representing
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Respiration: How Cells Harvest Chemical Energy 1. A cell must work just to maintain its complex structure‚ for order is intrinsically unstable. Because of entropy (the second law of thermodynamics)‚ which states that any enclosed system tends toward disorganization‚ cells must constantly use energy to keep themselves in order. If the cell was to stop using energy and let itself go then it would eventually get so disorganized that it wouldn’t function properly. 2. With the help of enzymes‚ the cell systematically
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Gordoncillo Professor Vacura BIO 101 – Lab 31 October 2014 Cell Division Mitosis Abstract Mitosis and Meiosis: Cells can be divided in unicellular organisms or in multi-cellular organisms. DNA controls the cell division. Bacteria reproduce by a process called binary fission. Bacteria have one chromosome that’s attached to the cell membrane. The chromosome replicates and the two copies separate as the cell grows. Over a period of time this one cell makes two cells. Eukaryotes do the process of mitosis
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BLOOD AND LYMPH SYSTEM THALASSEMIA Jeriser Edwards ASA College Medical Terminology Monday and Wednesday Professor Veloz Disease: thalassemia Thalassemia is an inherited disease blood disease in which the body makes abnormal forms of hemoglobin (wikipedia‚ 2014). Hemoglobin is the protein found in red blood cells that carries oxygen. The disorder results in destruction of the red blood cells‚ which then leads to anemia (wikipedia‚ 2014). Two main forms of thalassemia are beta thalassemia
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The understanding of blood spatter patterns is not a widely recognized forensic practice. Bloodstain pattern interpretation (BPI) is commonly used in murder investigations‚ but could be utilized in everything from simple assault to mass murders if the number of trained professionals increased. BPI can reveal critical information into reinventing a given crime scene. Everything from the number of blows‚ stabs or shots a victim was given‚ the movement that was undergone by the victim and assailant
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I S E 1 Cell Transport Mechanisms and Permeability P R E - L A B Q U I Z 1. Circle the correct term. A passive process‚ diffusion / osmosis is the movement of solute molecules from an area of greater concentration to an area of lesser concentration. 2. A solution surrounding a cell is hypertonic if: a. it contains fewer nonpenetrating solute particles than the interior of the cell. b. it contains more nonpenetrating solute particles than the interior of the cell. c. it contains the same
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Assessing Blood Pressure Anatomy of the Heart The heart is located in the thoracic cavity between the lungs within the mediastinum. It is a hollow‚ cone-shaped‚ muscular organ about the size of a fist. Functions of the Heart keeps O2-poor blood separate from O2-rich blood; keeps the blood flowing in one direction—blood flows away from and then back to the heart in each circuit; creates blood pressure‚ which moves the blood through the circuits; Regulates the blood supply based on
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doctors in the 1950’s‚ cells from her tumor were sent for research without her consent; and unfortunately the credit/rights that her and her family deserves have been thrown in the air. Medical procedures of the 1950s and 60s caused people to question if what was being done was moral or ethical for the family. Upon observation of the arguments made by the people and the scientific community‚ it is simple to see the fine line that people’s views may be approaching. HeLa (cells of Henrietta Lacks) have
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