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Homologous recombination is initiated by: A)ATM signaling double-stranded DNA breaks. B)RecA, RecB, and RecC generating single-stranded DNA breaks. C)Spo11 generating double-stranded DNA breaks. D)p53 generating single-stranded DNA breaks. E)Rad51 generating double-stranded DNA breaks.
Decomposition of nitric acid NO to N2 and O2 is second order with a rate constant of 0.0796 M-1 s-1 at 737 degrees C and 0.0815 M-1 s-1 at 947 degrees C. Calculate the activation energy.
Calculate the enthalpy change for the dissolution of NH 4 NO 3 and expree your answer in units of kJ/mol.
A student determined the Kf (f as lower subscript) of t-butyl alcohol using tap water instead of distilled or deionized water. Describe the problems that might have been encountered. How would these problems affect the magnitude of Kf?
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2 and 12.0 g of He at 14°C is in a 50.0-L container. What is the total pressure in the vessel.
Saturated steam at 1 atm condenses on a vertical plate which is maintained at a temperature 99 C. If the rate of heat transfer by condensation is 180 KW, determine the rate at which the condensate drips off the plate at the bottom.
Explain the reason why the six atoms that are involved in the peptide bond share a common geometric plane
For the cell as written, what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction
The condensate from a steam distillation contains 8g of an unknown compound and 18g of water. The mixture steam distilled at 98 C. What is the molecular weight of the unknown
The compounds below cannot be identifed from IR and H NMR spectra alone. Explain. Suggest how other types of spectroscopy might be useful in solving the structure
.28 moles of Br2 and .32 moles of CL2 are introduced into a 5.0 L container at 298 K calculate the equilibrium concentration of BrCl2
Calculate the mass of silver chloride required to plate 295mg of pure silver.
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