Monoclonal antibodies to treat cancer. One way the immune system attacks foreign substances in the body is by making large numbers of antibodies. An antibody is a protein that sticks to a specific protein called an antigen.Antibodies circulate throughout the body until they find and attach to the antigen.ne way the immune system attacks foreign substances in the body is by making large numbers of antibodies. An antibody is a protein that sticks to a specific protein called an antigen. Antibodies circulate throughout the body until they find and attach to the antigen.
The average weight is 6 to 10 pounds, but king crab can grow to more than 20 pounds. Unlike other crabs, king crabs have only six legs versus eight legs, and two claws. The body or carapace section of king crabs is typically sent to canners while the legs are separated and served individually.
They are called crab spiders because they have uneven legs that are longer in front than in the back, which gives them the appearance and movements of a crab. Learning to identify a crab spider by its appearance and its habitat can help you to detect a Thomisidae arachnid.he most notable feature of a crab spider is its legs, which have longer front four legs than the back four legs. Sometimes these front legs also appear different than the other legs and are darker or hairier than their back counterparts.