The best definition of an antibody is
A) A histamine.
B) A protein made in response to an antigen that can combine with that antigen.
C) A protein that inactivates or kills any antigen.
D) A serum protein.
E) None of the above.
B) A protein made in response to an antigen that can combine with that antigen.
You might also like to view...
Cilia and flagella project from the cell and are not covered by cytoplasmic membrane
Indicate whether this statement is true or false.
Which of the following statements about transport through phloem is true?
A. It is aided by root pressure. B. Transport only occurs from the roots to the shoot. C. Mostly dissolved starch is transported. D. The direction of flow can change at different times if the sources and sinks change. E. No energy is required.
Humans breathe in air that contains nitrogen, oxygen, carbon dioxide, and trace amounts of thousands of pollutants
Indicate whether the statement is true or false
Simberloff and Wilson carried out a famous experiment to study the recolonization by arthropods of small mangrove by islands after the islands were fumigated. One of their findings was
A. Species turnover was high following recolonization. B. Recolonization rates were identical on all of the islands regardless of distance to the mainland. C. Arthropod species richness on the islands changed little following recolonization. D. The islands never recovered to their prefumigation levels of arthropod species richness.