Cell Fractionation i) EQUIPMENT: Cold Liver‚ Blender‚ Gauze‚ Fridge‚ Isotonic Solution‚ Centrifuge‚ Tubes‚ Scalpel‚ HOMOGENIZATION • Take chilled liver tissue and cut into smaller pieces. • Place liver into blender with cold isotonic solution. • Blend until you have a thick soup like substance (homogenate). • Filter the mixture to remove large debris through gauze into a tube. DIFFERENTIAL CENTRIFUGATION • Attach tubes of homogenate to the refrigerated Centrifuge and turn on to spin
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treatment of many diseases. Stem cell research has provided hope and has brought optimism among the scientists and doctors in curing the patients who suffered or died due to the once called "untreatable" diseases decades ago. Stem cells are the ones which can develop into any type of a body cell including the cells of blood‚ liver‚ brain‚ muscles‚ and many more. They are found in adult bone marrow‚ embryos‚ fetuses‚ and blood from the umbilical cord (Bailey 100). Stem cell research is the latest advancement
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What are stem cells and what is gene therapy respectively? These are cells that have the potential to form many different types of cells found in the body. When stem cells divide‚ can form more stem cells or other cells that perform specialized functions. Embryonic stem cells have the potential to form a complete individual‚ while adult stem cells can only form certain types of specialized cells. Stem cells to continue to divide throughout the lifetime of a person. The use of recombinant DNA
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Do you have a cell phone? Well‚ to the many who do‚ it is a way of communication in a car. Cell phones have been known to distract the driver from concentrating on the road. But is it really worth banning? A majority of the nation agrees to ban cell phones in the use by the driver. Our nation is based on a democracy and if the people want cell phones banned‚ it should be outlawed. The majority of the nation agrees that cell phones are a distraction on the road. I‚ as a driver‚ too‚ think
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being engaged on their cell phones by being socially active on Facebook‚ Twitter‚ Instagram‚ etc. which definitely distracts them from studies. Most teen’s grades have dropped dramatically because of cell phone use. Some students take a great advantage of these devices while others misuse it by visiting inappropriate sites which results in bad academic performance. A cell phone is also a luxury for a student. A few hours a day without a cell phone will not kill anyone. Ringing cell phones can disrupt
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Week Three Worksheet Cody Mulock PSY 340 October 27‚ 2014 Teralyn Sell Week Three Worksheet 1. Describe why humans have a blind spot: a. Humans have a blind spot because the spot that the axons meet to form the optic nerve does not have any sensor cells. 2. Describe the functional and anatomical differences between rods and cones: a. Rods: Respond to faint light and are more abundant in the periphery of the eye. Cylindrical shape‚ similar to a welding rod. b. Cones: Responsible for color vision
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Exercise 1: Cell Transport Mechanisms and Permeability Worksheet. Simple Diffusion Activity 1: Simulating Simple diffusion 1. What is the molecular weight of Na+? 22.99 2. What is the molecular weight of Cl-? 35.45 3. Which MWCO dialysis membranes allowed both of these ions through? 50‚ 100‚ 200 4. Which materials diffused from the left beaker to the right beaker? Na+/Cl-‚ Urea‚ Glucose 5. Which did not? Why? Albumin did not diffuse from the left to the right beaker. The conclusion
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Hey little guy they call me the nucleus of an animal cell and lucky you I’m going to be your mentor and I’m going to teach you about me. So welcome as a new Ribosome organelle in the cell world‚ I’m going to make you familiar with your new home. We are going to start off with the Cell Membrane. The Cell Membrane is the selective barrier that’s surrounding the cell. Since you’re a newbie you need to know that the cell membrane allows only certain things to pass into it‚ but that’s only if it’s made
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In-class essay #1 Cell-phones: Distractions In today’s society‚ it’s unusual that we see people without a cell phone nowadays. We even see kids who have phones. Although they do come in handy‚ there are many disadvantages of have a cell phone that can affect our own daily life or the people around us as well. Everyone seems to talk about the advantages of having a cell phone‚ and we often forget about the disadvantages. The disadvantages of having a cell phone that I see is a everyday
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Why are Cell Phones Dangerous? Why are cell phones dangerous? Cell phones are what people use in their everyday lives throughout the 21st century. Cell phones have been around since the 1980’s. Cell phones are being used from young kids to elderly adults. All around the world there are cell phones . There has have been many researches and court cases on how cell phones are dangerous and what kind of damage it they can do to people. There was a case on a man who blamed cell phones in the
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