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The elementary chemical reaction
O + ClO-->Cl + O2
is made pseudo-first order in oxygen atoms by using a large excess of ClO radicals. The rate constant for the reaction is 3.5 x 10-11 cm3/molecule • s-1. If the initial concentration of ClO is 1.0 x 1011molecules/cm3, how long will it take for the oxygen atoms to decrease to 10.% of their initial concentration?
Explain what is meant by Chousekeeping gene and why the gene for enolase is not considered a housekeeping gene despite it being expressed in all tissues.
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