Many times (at least several times a week) I would feel a lot of air in my stomach - mostly after eating or drinking soda or whatever. It was okay for a while, but I didn't think it was normal for me to produce that much gas in my stomach and for me to be unable to burp.
In molecular genetics, a repressor is a DNA-or RNA-binding protein that inhibits the expression of one or more genes by binding to the operator or associated silencers.
effector. ( 1 biology) Any muscle, organ etc. that can respond to a stimulus from a nerve. ( 2 biology) The part of a nerve that carries a stimulus to a muscle etc. ( 3 biology) Any small molecule that effects the function of an enzyme by binding to an allosteric site.