grew each vagina from the patient's own cells, and then implanted it in her body when the girls were between 13 and 18 years of age. The researchers took a small piece of vulvar tissue, less than half the size of a postage stamp, from each patient, and then allowed the cells to multiply in lab dishes. The vagina is made up of two major layers with two cell types: muscle cells and vaginal epithelial cells. To build these layers, the researchers placed one cell type on one face of a scaffold, made of
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analyte from other proteins. Located in the periplasmic space, the space between the cytoplasmic member and the outer membrane, alkaline phosphatase is cleaved and provides the cell with inorganic phosphate. To get a large enough sample of alkaline phosphatase the K12 mutant of E. coli is used. This mutant is unregulated in the cell because it lacks a way to control alkaline phosphatase production. Alkaline phosphatase is best used in acidic conditions and is very stable at high temperatures. By taking
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Genetic Testing: An Issue of Ethics As the human race continues to advance various medical practices have been evolving including genetic testing. A doctor can look at somebody’s chromosomes, genes and proteins to determine if a certain disease is common in their family or if they have what it takes to become a professional athlete. At first it sounds like an unquestionable thing to do with all the benefits that come along with it. The problem with genetic testing lies in who should know and
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Week One Content Outline TOPIC and Objectives CELL BIOLOGY • Apply the scientific method to creating hypotheses and experiments. • Recognize the fundamental concepts of chemistry in biology. • Describe the energy metabolism of cells. • Compare structures and functions of different cell types. Content outline 1. WHAT IS SCIENCE? a. Science comes from the Latin for “to know.” b. Based on inquiry 1) Discovery science 2) Hypothesis-driven science 3) Case studies 4) Scientists
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Charisse Mae A. Morillo MA SciEd Specialization in Chemistry Environmental Chemistry 08 December 2012 HOME A film by Yann Arthus-Bertrand Short version: 92’ 2009, France, digital Film company: Elzevir Films – EuropaCorp Distributor in France: EuropaCorp Distribution SYNOPSIS The appearance of life on Earth was the result of a balance between elements that took billions of years to stabilize. Humans have profited from the lavish resources of the Earth, but have changed the face of the world
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What is Microbiology? Microbiology is the study of organisms too small to be seen with the naked eye. Originally, emphasis was placed on harmful micro organisms which cause disease or spoilage of beverages and food, but it is now recognized that many microbes have essential roles in our ecosystem or can be used to accomplish beneficial tasks. Human history is full of examples of major devastations caused by bacteria and viruses. Some of these historically important diseases still occur, such tuberculosis
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of myoblast (the cells). Myofibers are multinucleated cells made up from the thin filaments called actin and thick filaments myosin myofibrils (long protein bundles) which are repeated as sarcomere, which act as the machinery for muscle contraction and gives it the striated appearance. Cardiac Muscle Smooth Muscle Skeletal Muscle The eukaryotic cell is composed of a numerous membrane bound organelles which work together to make a cell function based on
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Nucleus is at the centre of the cell, it has coded instruction that enables it to make specific protein; this is how ribosomes are made here. This is bounded by a double membrane; the cytoplasm is like material within the nucleus this is called the nucleplasm (Rowland, as biology, 2008). The nucleus stores, replicates and decodes DNA. , which gives each cell it unique characteristics; this means liver cells are is different from muscle cell and is different from a fat cell. It is also the largest and
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larger solid particles are taken into the cell by being surrounded by the plasma membrane and passing through. Endocytosis is when smaller more soluble particles are taken in by the plasma membrane forming a sort of hole and then the hole is pinched off containing the smaller particles turning into a vesicle which is taken where it needs to go. Question 5. A scientist might choose light-microscopy over electron microscopy because you can use living cells and watch how different factors affect them
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Abstract Cloning first kick-started in 1996, with the cloning of Dolly, in which there was no male involved in the cloning. Ever since Dolly, hundreds of animals have been cloned. Every single day, scientists are getting close and closer to cloning humans. With the technology today, it is seems more evident to happen. Nevertheless, not everyone believes that we should be cloning humans. In the United States right now, there is no law banning any kind of human cloning. This means that at this
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