All proceedings against a licensee for any violation of this chapter or any of the regulations adopted by the board, or against an applicant for licensure for unprofessional conduct or cause, shall be conducted in accordance with the Administrative Procedure Act (Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code) except as provided in this chapter, and shall be prosecuted by the Attorney General’s office.