<prompt> a and 13 subunits are not seen inFSHHCGProlactinInsulin  <response>: Ans. is c i.e. Prolactin HCG Human chorionic gonadotropic hormone has alpha and beta subunits. its alpha subunit is similar to that of LH leutinizing hormone, FSH Follicular stimulating hormone and TSH Thyroid stimulating hormone whereas beta is specific. We have also studied that insulin hormone has alpha and beta subunits. Remember : Hormones with alpha and beta subunits HOGdeg LHdeg FSHdeg TSHdeg Insulindeg 