A Comparison of the Effects of Three GM Corn Varieties on Mammalian Health Bs Biology 1-1 Dr. Arsenio Abstract We present for the first time a comparative analysis of blood and organ system data from trials with rats fed three main commercialized genetically modified (GM) maize (NK 603‚ MON 810‚ MON 863)‚ which are present in food and feed in the world. NK 603 has been modified to be tolerant to the broad spectrum herbicide Roundup and thus contains residues of this formulation. MON 810 and
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(CUR NP) against the neurotoxicity induced by cisplatin (CP) in rat. Material and methods: Rats were divided into control group that received saline solution; CP-treated rats that received a single i.p. injection of CP (12 mg/kg) and CP-treated rats that received a single i.p injection of CP (12 mg /kg) followed by a daily oral administration of CUR NP (50 mg/kg) for 14 days. At the end of the experiment‚ the motor activity of rats was evaluated by open field test. The neurochemical and histopathological
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http://genetics.biozentrum.uni-wuerzburg.de/behavior/learning/behaviorism.html Operant Conditioning and Behaviorism - an historical outline Around the turn of the century‚ Edward Thorndike attempted to develop an objective experimental method for the mechanical problem solving ability of cats and dogs. Thorndike devised a number of wooden crates which required various combinations of latches‚ levers‚ strings and treadles to open them. A dog or a cat would be put in one of these ’puzzle-boxes’
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20th century‚ many people believed that animals AND PEOPLE learned through a process of conditioning. For example‚ there were laboratory studies where rats were trained to push a button when a light came on. Each time the rat did this‚ it was given a piece of food. After a while‚ the rat would push the button every time the light came on. The rat had learned to associate pushing the button with getting food. This theory became known as behaviorism.
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thinking and writing of this young man‚ and he would shortly become the mouthpiece for the movement that came to be called behaviorism” (Goodwin‚ 2008). Watson popularized the use of the white rat in experimentation. His dissertation in 1903 voiced his study of animal learning through experimentation on these white rats. In 1915‚ he began experimentation on humans. “Watson advocated extension of the objective methods used in investigating animal behavior to research with human subjects and‚ himself‚ began
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visible on the oscilloscope. In this experiment‚ we will determine and compare the conduction velocities of different types of nerves. We will examine four nerves: an earthworm nerve‚ a frog nerve‚ and two rat nerves. The earthworm is the smallest; the frog nerve is a medium-sized myelinated nerve‚ Rat nerve 1 is medium-sized
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of one hundred million people within 60 years. The second pandemic‚ known as ‘The Black Death’ began in the14th century and killed up to one quarter of Europe’s population. The final pandemic in 1860 began in China and was transmitted via infected rats on steamships to port cities over the following 20 years. Y pestis is a gram negative‚ facultative anaerobic rod shaped bacterium that has the ability to enter and live inside of host cells (Tucker‚ 2010) It is non motile and typically grows at 35-37C
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for Anton Ego – a food critic‚ who does not support Gusteau’s motto. Then comes the story of Remy‚ a curious and idealistic rat‚ living in the attic of a French house with his clan. Remy is gifted with excellent sense of smell and he has a dream of becoming a chief‚ after reading Gusteau’s book and being inspired by him. Unlike his clan who use Remy’s talent to detect rat poison in food‚ Remy disapproves of garbage and has interest in humans and their kitchen (where the food is clean). Once looking
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A team of researchers at the University of Duisburg-Essen in Germany tested this by injecting rats with Cyclosporine A while also feeding them sweetened water‚ the Cyclosporine A worked as it should and weakened the rats immune system. After a while they began to only give the rats the sweet drink without administering any Cyclosporine. The rats immune systems were still compromised‚ which meant that their bodies associated the drink with a weakened immune system. The
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What he didn’t know was that in the future he would be just like his grandma‚ and learn how to be a river rat. Everyday experiencing what his grandma went through‚ learning new things‚ taking chances‚ and going on adventures. Nicky explored all the times hotly after he started to draw his surroundings‚ and finally followed his grandmas footsteps. By the end of the summer they were two river rats with nature. Every day Nicky got up and explored the river‚ the fields‚ and even in the trees; he was
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