When antigens contain paratopes that are structurally similar, the epitopes of a specific antibody may bind non-specifically to either antigen. this non-specific binding is referred to as: ?

The antibodies have epitopes that bind to the paratropes present on the antigens. When an antibody is made specifically to target a particular kind of antigen (say A), its epitope will be a structural compliment to the paratrope. When an antibody encounters two different antigens (say A and B) with structurally similar paratropes, it will bind specifically to A and non-specifically to B, as the antibody is not made in response to antigen B. This non-specific binding is referred to as blocking.

the sphincter muscles at the end of the digestive tract is the anus.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.