An antigen can induce an immune response in a host organism. antigens are targeted by antibodies that are produced by the organism’s immune system in response to contact with the antigen. antibodies are specific to antigens. many different cell types are involved in immune responses. which of the following best describes the role of cell-to-cell communication during a response to an invasion of antigens?

What is chemistry and it applications

Her brother joined the army before he finished college. identify the adverb clause in the sentence. a) finished college b) her brother joined c) brother joined the army d) before he finished college

On one hand, i aspire to an ivy league vocation: 1 professor of the sciences in higher education. 2 but like noble amphibians that thrive on land and in the stream, 3 i've got another world of which i like to gladly dream. 4 some say that it's abnormal; my affections are exclusive. 5 in science, they say, emotions are something quite elusive. 6 line 3 exemplifies which kind of figurative language? a) hyperbole b) metaphor c) onomatopoeia d) simile