1) Chemicals in the environment can cause mutations. A rather low level of mutat

Question

1) Chemicals in the environment can cause mutations. A rather low level of mutation is caused by chemical "A"; the mutation rate is 0.007 mutants generated per nmol chemical "A" in the environment. A higher level of mutation is caused by chemical "B"; the mutation rate is 5540 mutants per nmol chemical "B" in the environment. What quantity of chemical "A" in the environment would be required to equal the mutant-causing ability of 6.4 nmol chemical "B" in the environment? Assume a linear relationship between the concentration of either chemical in the environment and each chemical's mutation rate.

Explanation / Answer

1 nmol of chemical "B" cause 5540 mutations

6.4 nmol chemical "B" cause 5540 x 6.4 mutations =35456 mutation

1 nmol of chemical  "A" cause 0.007 mutations

so, 1 mutation is caused by nmol of  chemical  "A" is =1 / 0.007 nmol

35456 mutation is caused amoumt of chemical  "A" is = 35456 x 1 / 0.007 nmol

=5065142.86 nmol

= 0.005065 mol

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