Of those twelve, only methyl bromide and neopentyl bromide could not possibly be derived by the addition of HBr--Markovnikov or non-Markovnikov--to an alkene of the appropriate structure. 1  For each of the other ten alkyl bromides, determine: 2  which ones could be formed by the Markovnikov addition of HBr to an alkene.
Electroconvulsive therapy (ECT) is a treatment for certain mental illnesses. During this therapy, electrical currents are sent through the brain to induce a seizure. The procedure has been shown to help 78 percent of people with clinical depression.
(March 2012) Enzyme replacement therapy (ERT) is a medical treatment replacing an enzyme in patients in whom that particular enzyme is deficient or absent. Usually this is done by giving the patient an intravenous (IV) infusion containing the enzyme.