Answer:
The universe is the answer
<span>An example of a group of prokaryotic organisms is C. Archaea. There are three domains of life: Archaea, Bacteria, and Eukarya. Archaea and Bacteria are prokaryotic organisms. On the other hand, domain Eukarya includes all eukaryotic organisms, such as Protists, Fungi, Plants, and Animals.</span>
Answer:
plant cells have a rigid cell wall that helps it keep shape and animal cells don't
The correct answer is antigens and epitope.
An antigen is a substance which triggers an immune response in an organism. This can be either a foreign substance, such as a pathogen, or a specific part of the host organism (in this case this is an autoimmune response). The presence of an antigen activates a specific part of the immune system, called antibody. Each antigen has a specific antibody, which is tailored by the immune system accordingly. More specifically, the antibody has a specific structure, called paratope, which is complementary and binds like a key to a specific structure of the antigen, called epitope.
