increase in size as their cells grow and divide. Almost all cells complete a full cell cycle that includes interphase and cell division. In interphase‚ cells serve their specialized functions‚ grow‚ and copy their genetic material. Mitosis is the first stage of cell division‚ in which the copied chromosomes are separated into two new nuclei. Then in cytokinesis the cell divides into two daughter cells. If no mutations or errors occur‚ the genetic material in each daughter cell is identical to what was
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Figure 1 shows the average amount of absorbance for each tube‚ containing different levels of pH. Tube 2 had an acidic pH level‚ Tube 3 had a neutral pH level‚ and Tube 4 had a basic pH level. It is indicated that the absorbance rates were the highest for the neutral pH level‚ with a final absorbance rate of 0.166. This was followed by a basic pH (0.106). The acidic pH level had the least amount of absorbance with a final absorbance rate of 0.069. This reinforces the idea that the ALP enzyme worked
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Material DNA Worksheet Answer the following in at least 100 words: 1. Describe the structure of DNA. DNA is one of the nucleic acids information-containing molecules in the cell (ribonucleic acid‚ or RNA‚ is the other nuclei c acid). DNA if found in the nucleus of every human cell. The information is DNA: guides the cells (along with RNA) in making new proteins that determine all of our biological traits. DNA gets passed (copies) from one generation to the next. DNA in a cell is really just
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solution NaOH is a very corrosive chemical and contact with it can cause burns to body tissue and possible eye damage. Can irriate the lungs and can cause permanent lung damage. also contact with water can generate enought heat to ignite combustibles. 2. In your own words‚ briefly explain the terms below. Copied answers will receive zero points. a. equilibrium state When a chemical reaction is equal. when the products and reactients are at equal rates b. the effect of formation of a complex a complex
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the United States‚ cancer is the second most common cause of death among young children between the ages of 1 and 14. More thsn 16 out of every 100‚000 children and teens in the U.S. were diagnosed with cancer‚ and nearly 3 of every 100‚00 died from the disease. In 2005‚ 4.1 of every 100‚000 young people under 20 years of age in the U.S. were diagnoised with leukemia‚ and 0.8 per 100‚000 died from it. In 2005 2.9 of every 100‚000 people 0-19 years of age were found to have cancer of the brain or central
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to determine the molarity of NaOH‚ we rinsed a burette with about 5ml of water and another 5ml of NaOH to prepare it for the experiment. We then measured exactly 25ml of the prepared KHP from the previous part into a 250ml Erlenmeyer flask and added 2 drops of the indicator‚ phenolphthalein. Next we filled the burette with the approximately 0.1 M NaOH so that our initial volume will be 0.0mls. We then started our titration by carefully pouring a little amount of the base into the prepared 25ml of
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DNA Worksheet Trisha McCabe SCI/230 May 8th 20132 Chandreyi Basu‚ PhD Associate Program Material DNA Worksheet Answer the following in at least 100 words: 1. Describe the structure of DNA. DNA made up of units called nucleotides‚ nucleotides are made up of three molecules components‚ a nitrogen base‚ a sugar‚ and a phosphate (Simon‚ Reece‚ Dickey‚ 2010). The nucleotides are joined together by bonds between the sugar of one nucleotide and the phosphate of the next producing
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FORM 4G ELECTROLYSIS WORKSHEET TERM 3 2010-2011 1.Figure 1 below is a diagram of the apparatus used in the electrolysis of fused sodium bromide. Figure 1 a)Write the formulae for the ions present in the fused sodium bromide. b)Write an ionic equation to represent the reaction taking place at the positive and negative electrodes. c)When the heat source was removed‚ the crucible cooled and the lamp went out. Explain why the lamp went out when the crucible cooled. d)At the end of the experiment
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employee procedures that could lead to a network failure. 2. Why is it difficult to conduct a qualitative risk assessment for an IT infrastructure? Because it is subjective‚ based on opinions‚ no CBA‚ and no real standards. 3. What was your rationale in assigning “1” risk impact / risk factor value of “Critical” for an identified risk‚ threat‚ or vulnerability? Because it was the most serious risk. 4. When you assemble all of the “1” and “2” and “3” risk impact/risk factor values to the identified
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DATA TABLE 2: Temperature Measurements Water Temperature (*C) Temperature (*F) Temperature (*K) Hot from tap 44*C 111.2*F 317.1*K Boiling 90*C 194*F 363.1*K Boling for 5 minutes 96*C 204.8*F 369.1*K Cold from tap 27*C 80.6*F 300.0*K Ice Water- 1 minute 11*C 51.8*F 284.1*K Ice Water- 5 minute 7*C 44.6*F 280.1*K DATA TABLE 3: Mass Measurements. Object Estimated Mass (g) Actual Mass (g) Actual mass (kg) Pen or Pencil 5g 5.3g .0053kg 3 Pennies 7.5g 8.1g .0081kg 1 Quarter 5.5g 5.7g .0057kg 2 Quarters
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