If the articles or bylaws provide for more or less than one vote for any membership on any matter, the references in Sections 5033 and 5034 to a majority or other proportion of memberships mean, as to those matters, a majority or other proportion of the votes entitled to be cast. Whenever in Part 2 (commencing with Section 5110) or Part 3 (commencing with Section 7110) members are disqualified from voting on any matter, their memberships shall not be counted for the determination of a quorum at any meeting to act upon, or the required vote to approve action upon, that matter under any other provision of Part 2 (commencing with Section 5110) or Part 3 (commencing with Section 7110) or the articles or bylaws.