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Prepare a 700- to 1,050-word paper in which you analyze the effects of ionizing radiation on DNA to provide a chemical reason as to why this might cause cancer. Include the following items:
Describe alpha, beta, and gamma radiation.
Describe the chemistry of DNA.
Explain the effects of radiation on the DNA sequence.
Describe how the changes in DNA may become cancerous.
Explain how radioactivity is used to treat cancer.
A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 7.591 g of potassium, 15.514 g of bromine, and 9.319 g of oxygen. What is the empirical formula for this compound? What is its chemical name?
consider 25.0 g of water at 21.7degc that are mixed with 25.0 g of water at 43.3degc in a foam cup calorimeter. the
Which molecule is polar? Which of the following is not an ionic compound? Which of the following is not an ionic compound?
Draw the structure resulting from a reaction of a) diborane (B2H6) followed by b) alkaline hydrogen peroxide (NaOH/H2O2) with the following alkene.
When heated, the DNA double helix separates into two random-coil single strands. When cooled, the random coils form the double helix
A 182-g sample of gold at some temperature is added to 22.1 g of water. The intitial water temperature is 25.0 degrees C, and the final temperature is 27.5 degrees C. If the specific heat capacity of gold is 0.128J/g*K what was the initial tempera..
What is the density of lead (in g/cm^3) if a rectangular bar measuring 0.500 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 220.9 g?
If Kc is the equilibrium constant for a forward reaction, 2 A? B, what is Kc´ for the reaction 4 A? 2B? A) Kc B) Kc C) 2 Kc D) (Kc)2
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements. Should we consider any other factors
Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. What is the molar concentration of these ions in water at 25oC.
Standardization of Na2S2O3, Added 0.12 g KIO3 and dissolved in 75 mL of distilled water. Added .20 g of KI to solution, then added 10 mL of 1M HCl and immediately titrated with thiosulfate solution (made by weighed 25 g of Na2S2O3-5H20
Sketch a phase diagram for benzene and locate these points: the triple point (5.5 0C and 3.4 mmHg), the normal boiling point (80.10C)
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