<prompt> Regulation of synthesis of ketone bodies is done byBeta hydroxyl beta methyl glutaryl CoA synthaseBeta hydroxybutyrateAcetyl CoANone of the above  <response>: 3 molecules of acetyl CoA are condensed to form β-hydroxy β-methyl glutaryl CoA HMG CoA. HMG CoA synthase, catalyses this reaction, thus regulates the synthesis of Ketone bodies. 