A procedure that induces an antibody-mediated response against specific pathogens is called ______
A. exposure
B. agglutination
C. NK cell activation
D. T cell activation
E. immunization
Answer: E
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Clonal selection is an explanation for how _____
A) a single type of stem cell can produce both red blood cells and white blood cells B) V, J, and C gene segments are rearranged C) an antigen can provoke production of high levels of specific antibodies D) HIV (human immunodeficiency virus) can disrupt the immune system E) macrophages can recognize specific T cells and B cells
A derived character that is shared by all members of a clade is called a ______________ of that clade.
Fill in the blank(s) with the appropriate word(s).
Barbara McClintock discovered that a controlling element was responsible for the mutant-spotted phenotype (purple spots on white) in corn kernels. Explain how this works
What will be an ideal response?
Proteins that are involved in the regulation of the cell cycle, and that show fluctuation in concentration during the cell cycle, are called ________.
Fill in the blank(s) with the appropriate word(s).