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Below are two separate discussion questions, choose ONE and discuss. The Precautionary Principle Read the “Precautionary Principle” One-Pager and consider: Should we rely more on the use of the precautionary principle to implement pollution prevention as a way to reduce the potential risks from chemicals and technologies? Why or Why not? Humans […]

The SOS response is induced in cells that have undergone substantial damage to their DNA, and it can be induced to different degrees depending on the extent of the damage. Describe the SOS response that will occur under conditions of a pulse of moderate DNA damage and a pulse of […]

A medical researcher wishes to compare the tissue damageproduced by slow neutrons, which have a relative biologicaleffectiveness (RBE) of 2.2, to that produced by fast neutrons withan RBE of 8.8. For the slow neutrons, the absorbed dose is 560 rd. What absorbed dose (in rd) of fast neutrons will produce […]

Question: One way of expressing the rate at which an enzyme can catalyze a reaction is to give its turnover number. The turnover number is the maximum number of substrate molecules that can be acted on by one molecule of enzyme per unit of time. The following table gives the turnover number of some representative enzymes.                                […]