Within the vestibular system of vertebrates, hair cells help detect movement when their cilia are bent by
A. otoliths.
B. statoliths.
C. the tectorial membrane.
D. the basilar membrane.
E. gravity.
A. otoliths.
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Which of the graphs above best represents the relationship between the intensity of directional selection and the genetic variation present within a population?
A) Graph A B) Graph B C) Graph C D) Graph D E) Graph E
The presence of the immune complexes leads to the activity of the neutrophils. What factor links these two?
A. complement B. cytokines C. mast cells D. helper T cells
At equilibrium, the free energy of a reaction is which of the following?
A.) at its lowest point B.) energetically unfavorable C.) at its highest point D.) energetically favorable E.) equal to delta Gc
In the primary response to an antigen, the first class of antibody to be secreted is
A. IgG. B. IgE. C. IgA. D. IgM. E. IgD.