oxidizer and can be used as a disinfectant to prevent infections. However when used incorrectly‚ hydrogen peroxide can cause oxidative stress on cells. This essentially means that there is an imbalance on molecules containing oxygen and the cell cannot detoxify the products. This creates free radicals such as hydroxyl radical that will damage all components of the cell‚ ultimately killing it (Tucker‚ 2012). However‚ humans actually produce
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1.A) Two main forms of cells exist: eukaryotic cells and prokaryotic cells. Prokaryotic cells are smaller and do not have membrane-bound nucleus or membrane- bound organelles‚ but do have: plasma membrane‚ cytosol and cytoplasm‚ and ribosomes. Prokaryotes contain much less DNA than eukaryotes and have circular chromosomes. Eukaryotic cells have information processing organelles‚ such as the nucleus which houses most of the cell’s DNA‚ and ribosomes which use information from DNA to produce proteins
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beaker from the left beaker? Which did not? Answer: The solute(s) that were able to diffuse Na+/Cl- ‚ Urea‚ Glucose. The solute that didn’t was Albumin. 2. Explain the relationship between the rate of diffusion and the size of the solute. What do you think changes in temperature such as cold/hot would have on the diffusion rate? Answer: The rate of diffusion of molecules depends on how soluble they are. The rate of diffusion depends on the size of the molecule in general‚ small molecules
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differences between cancer cells and normal cell. Some of the differences are well known ‚where as others have only been recently discovered and are less well understood.You may be interested in how cancer cells are different as you are coping with your own cancer or of a loved one. For many researchers understanding how does cancer cells function differently from normal cells foundation for developing treatments designed to rid the body of cancer cells without damaging normal cells. First‚ when it comes
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three main parts of a cell. plasma membrane-forms a cell’s flexible outer surface‚ separating the cell’s internal environment (inside the cell) from its external environment (outside the cell) cytoplasm- consists of all the cellular contents between the plasma membrane and the nucleus. nucleus- is the largest organelle of a cell. The nucleus acts as the control center for a cell because it contains the genes‚ which control cellular structure and most cellular activities The cell is the basic‚ living
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results‚ the experimental group had a huge impact when the diluted concentration of caffeine was put in compared to the control group that contained no concentration of caffeine. The hypothesis was supported because a significant decrease of the total number of cells when caffeine solution was added to the experimental group was clearly shown. An addition of small amounts of caffeine does inhibit cell proliferation and affect cell viability during the lab experimentation one more test was conducted
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James K Baxter expresses his thoughts and judgements using natural settings of his pasts. In Baxter’s poems‚ Rocket Show and Wild Bees‚ he comments about his boyhood‚ nature and how it taught him in life. In the poem wild bees‚ Baxter talks about a situation when he and his friends go out to smoke a beehive one evening to get the honey from it. The very simple language makes it easy for the reader to understand Baxter’s thoughts and judgements.The illusion of a ‘safe Ophelia ‘shows us knowledge
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Various types of Fuel Cells and their working By : Divykant Vishwakarma 03996404910 EEE 2nd shift S.No. 14 Fuel Cell A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. Hydrogen is the most common fuel‚ but hydrocarbons such as natural gas and alcohols like methanol are sometimes used. Fuel cells are different from batteries in that they require a constant source of fuel and oxygen/air
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speech my roommate gave on the K-T Boundary. This analysis will consist of the background of the speech‚ Toby’s behaviors‚ and the audience. Without context a speech is meaningless. The context includes the preexisting conditions and the content of the speech. Yesterday I asked my roommate‚ Toby Briggs‚ if he wanted to give a short speech on any topic he chose. He was beyond interested in giving a speech of his choosing. Without delay‚ he chose the topic of the K-T boundary. Toby went
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offers the Special k cereal and accompanying products (cereals in different flavors as well as granola bars and protein shakes) that are healthier options for people who are aware of their diet and want a better lifestyle. Kellogg expands the market by targeting women who skip breakfast to stay slim. The marketing strategy helps to position the brand as a healthy alternative. The commercials we chose offer a weight management plan designed to lose weight in 2 weeks by consuming Special K products. The
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