1) What is the mRNA sequence for the following segment of DNA: --AAATGTGTGCTAACA

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1) What is the mRNA sequence for the following segment of DNA: --AAATGTGTGCTAACA-- ? Based upon the mRNA sequence, what is the peptide sequence? 2) What is the volume percent of a solution prepared by dissolving 9 g of NaOH in enough water to make a final volume of 120 mL? Show your work. How many mL of a 10% solution can be made from the solution in part a? Show your work 3) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.35L of a 1.25M H3PO4 solution. Show your work. What volume, in Liters, of a 1.25 M H3PO4 solution can be prepared by diluting 50 mL of a 4.5M H3PO4 solution? Show your work 4 ) Hafnium (Hf), with a mass number of 182 and an atomic number of 72, decays by beta emission. Identify the product of the nuclear reaction by providing its atomic symbol , mass number , and atomic number 5) The newest game for children includes super bouncing balls. The ball that you have for the game is from manufacturer BAL. Manufacturer GAD claims to have a ball that bounces higher. Manufacturer QAR claims to have a ball that bounces 10% higher than the GAD ball. You want the ball that will bounce the highest. Formulate a testable hypothesis. Design an experiment to test your hypothesis, and include your controls . Be specific in your experimental design. Predict the experimental results that would support your hypothesis 6) As you are grilling for your summer picnic, you look around to see what items are made from polymers, a topic you studied in your chemistry course. You notice: (1) Your outdoor jacket is made from polyester. (2) Your outdoor dinnerware is made from Melmac. (3) The seat cushion on your patio chair is made from polyurethane. Describe the structure of the polymer for each of the items you noticed and how the structure of that polymer enables the production of this product. 7) Given the following unbalanced chemical equation: Al + Cl2-> AlCl3 a) Balance the equation. (b) How many moles of AlCl3 are produced from 2.75 mole of Cl2? Show your work. (c) What is the molar mass of AlCl3? Show your work. (d) Calculate the number of grams of AlCl3 produced from 2.75 mol Cl2. Show your work 8)What is the mRNA sequence for the following segment of DNA: --CTCGTGGTTTCAACC--? Based upon the mRNA sequence, what is the peptide sequence?

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