Polybrominated and polychlorinated
biphenyls biphenyls genic, but rather they must be bioactivated to metabolites that are sufficiently reactive to bind to DNA and disrupt its coding. The reactive intermediates must be formed close enough to the DNA to interact with it before interacting with other less important macromole-cules or before being further metabolized to inactive forms. Nongenotoxic carcinogens act by altering cell replication control.
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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...