Regarding the metabolism of chemicals, all are true EXCEPT

Which agency is a nongovernmental arm charged with conducting research and making recommendations for the prevention of workplace injuries in general, including those that can be produced form exposure to chemicals.

Which of the following phases has the objective to establish the effectiveness of the chemical in individuals who have the appropriate medical condition for which the drug was developed?

Thalidomide was approved despite the fact that the vast majority of animal studies indicated potential problems with fetal development.

Which Phase I biotransforming enzyme catalyzes or detoxifies the greatest number of xenobiotics and is located in the liver endoplasmic reticulum?

All mutagens are also carcinogens.

In DNA base pairing, adenine pair with guanine and cytosine pairs with thymine.

Safe is taken to mean 30 years of exposure with no adverse effect.

The ultimate concern of an academic toxicologist is the effect of chemicals on populations and ecosystems.

Differences between guidelines and standards include: