An individual molecular structure within an antigen to which an individual antibody binds is as a(n): a. antigen. b. epitope. c. fab region. d. fc region e. mhc site

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

What are the three groups of atoms that make up amino acids called