Depends on its date. There are no rare JFK halves. You might get $4 from a dealer for a 1964 one because they're 90% silver, $1.50 for a 40% silver one minted from 1965 to 1 â¦ 970. Anything newer is copper-nickel and has no added value. 2 people found this useful.
An antibody, also known as an immunoglobulin, is a protein found in the blood or body fluid of an animal.These proteins have special receptors that allow them to bind to foreign substances known as antigens.Their purpose is to identify and neutralize antigens so that they cannot make the host organism sick.n antibody, also known as an immunoglobulin, is a protein found in the blood or body fluid of an animal.
A. An anti-antibody is an antibody that binds to other antibodies! Weird. Usually antibodies bind to antigens (little amino acid sequences in a bigger molecule, for example). But they can bind to anything, really â including other antibodies. Sometimes this can cause problems.