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 following intestinal parasites is found in humans and also in pigs?
a. G. lamblia b. D. fragilis c. Cryptosporidium spp. d. Balantidium coli
If the woman does not become pregnant the _____ will not produce progestrone and it will break down.
Fill in the blank(s) with the appropriate word(s).
Why is there a synaptic delay in gustatory receptors that is not seen in olfactory receptors?
a) gustatory receptors have a different threshold from olfactory receptors b) gustatory receptors have a separate cell & sensory neuron c) gustatory receptors have non-excitable membranes d) olfactory receptors have a different threshold
What do we call a lymphocyte that has never encountered an antigen?
A. Stem leukocyte B. Foreign lymphocyte C. T cell D. B cell E. Naive lymphocyte