A unique, individual set of antibodies, called individual specific autoantibodies (ISA) is found in blood, serum, saliva, urine, semen, perspiration, tears, and body tissues, and the antibodies are not affected by illness, medication, or food/drug intake.
A quorum is the number of members of a governing body who must be present for the body to conduct business; no binding decisions can be made unless a quorum is present. Robert's Rules of Order, the definitive source on parliamentary procedure states that a majority of members must be present to have a quorum.
Amendments must be germane to the subject of a bill-no riders are allowed. The bill is reported back to the House (to itself) and is voted on. A quorum call is a vote to make sure that there are enough members present (218) to have a final vote.