By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
A "beta-blocker" or clotbuster are the types of medication used to dissolve clots involved in MIs and CVAs. Remember though to be aware that two other medications that are used to prevent further clot build up are not clot busters but instead vasodilators (Nitroglycerin) or clotting antagonist (Aspirin).
Answer:
Density is conserved in chemical reactions and shown by balanced equations
I did this one at school and the answer was: produces water
<span>We are to identify which among the given choices is not part of the lac operon genes. Lac operon consists of three structural genes which include the promoter gene, the regulator gene, and lastly the operator gene. From the given choices, the one that is not included is the repressor. </span>
