generated with the unheated rod compare to the that generated with the heated rod? The action potential increased with the heated rod. 5. Describe the types of stimuli that generated an action potential. The glass rod and glass heated rod‚ the 3.0V and higher voltage‚ the sodium chloride‚ and the hydrochloric acid. 6. If you were to spend a lot of time studying nerve physiology in the laboratory‚ what type of stimulus would you use and why? I would use the glass rod because I would like to
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Their deaths occurred when a nuclear reactor exploded at a top-secret base in the National Reactor Testing Station (NRTS). Official reports state that the explosion and subsequent reactor meltdown resulted from the improper retraction of the control rod. When questioned about the events that occurred there‚ officials were very reticent. The whole affair‚ in fact‚ was not discussed much‚ and seemed to disappear with time. In order to grasp the mysterious nature of the NRTS catastrophe‚ it helps to
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BENJAMIN FRANKLIN From Philadelphia‚ Pennsylvania‚ Benjamin Franklin was one of the founding fathers of the United States of America and one of the greatest inventors of all time. He invented many objects including: the Bifocals‚ Lightning Rod‚ The Franklin Stove‚ Swim Fins and much more. One of his most famous discoveries was electricity. Franklin began working on electricity after he heard a lecture about it in Scotland in 1743. Five years later he sent a letter over it to the Royal Society
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achieve the following objectives: (1) To verify about the relationship of Frequency of sound and its wavelength‚ (2) to determine the speed of sound by means of resonating column‚ (3)and to determine the velocity of sound in a solid using a vibrating rod. Theory The speed of sound is dependent on the medium through which
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The Grignard Synthesis of Triphenylmethanol Abstract: Grignard synthesis of triphenylmethanol was achieved by use of the Grignard reagent phenyl magesium brominde. The organometallic grignard reagent was synthesized by use of a reflux apparatus recrystallization techniques. Once synthesized it was used in a Grignard reaction that involved nucleophilic addition to a carbonyl in order to make triphenylmethanol. The final product was solidified and recrystallized and spectral data was
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illuminated from one side to make the smoke particles visible under the microscope. This is called dark ground illumination. A small piece of black card prevents stray light from the lamp reaching the eye. The lamp is placed below the level of the glass rod in order to minimise convection. Procedure: [pic] 1. Fill the cell with smoke using a dropping pipette and cover it with a glass cover-slip. This will reduce the rate of loss of smoke from the cell 2. Place the
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“Dr Maria Montessori took this idea that the human has a mathematical mind from a French philosopher Pascal and developed a revolutionary math learning material for children as young as 3 years old. Her mathematical materials allow the children to begin their mathematical journey from a concrete concept to abstract idea”. With reference to the above statement please discuss how these children utilize their mathematical mind as part of their natural progression‚ to reason‚ to calculate and estimate
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FIELD WORK NO. 5 DIFFERENTIAL LEVELING I. OBJECTIVES: To determine the elevation of points relative to a reference point by differential leveling II. INSTRUMENTS: Engineer’s level‚ Leveling Rods‚ Marking Pins III. DISCUSSION: Direct leveling is the commonly employed method of determining the elevation of points some distance apart by a series of set ups of a leveling instrument along a selected route. This method of leveling is also referred to‚ as spirit leveling since the device
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clean muslin cloth‚ it is boiled for ten minutes lo kill the microbes present in it and also remove the temporary hardness of water. Filtration - Different varieties of filters are used to purify the water at domestic level. Filter rods can be installed. These rods are made of china porcelain and it is porous and hollow from the centre. When water is put through it‚ it is purifies and drips in out clean into a small tank‚ ready for use. Industrial: This water is usually purified by huge tanks
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Well known for his talents on the diamond‚ A-rod (Alex Rodriguez’s nickname) has done a lot to give back to the community. He’s even built a training camp for younger people. He’s single-handedly trained a young boy that was less fortunate. And he grew up with immigrant parents so he wasn’t the most fortunate either. This is the inspiring story of MLB (Major League Baseball) superstar Alex Rodriguez’s life. Alex Emmanuel Rodriguez was welcomed to the world on July 27‚ 1975 and was born in the Washington
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