yar for hormones u can consult any book of physiology eg guyton or ganong physiology. even on google just insert steroid hormones u vl get ample info. for energy yielding biochemistry eg lippencot. or net. for deafness ent by dhingra. huh and onething more dTMP z the monomer of DNA nt dGTP it z a energy molecule so ans z dTMP. need refernce for this?