Which of the following is NOT a duty or responsibility of a zookeeper?
a. training staff c. educational tours
b. diagnosing and treating animals d. cleaning cages and enclosures
B
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____________________ passes through the cystic duct.
Fill in the blank(s) with the appropriate word(s).
Dyneins generate movement in cilia and flagella by
A) The dynein moving along its own microtubule, pulling the cell membrane with it. B) The dynein on one side of the flagella moving along its neighbor's tubule. C) All dyneins moving along their neighbors' tubules in a synchronized fashion. D) The dynein pushing on the neighboring tubules, generating movement.
A biopsy of infected or injured tissue from the CNS will most likely show an elevated number of
A) oligodendrocytes. B) interneurons. C) satellite cells. D) microglia. E) ependymal cells.
The spinal tract that carries sensations from proprioceptors to the CNS is the
A) fasciculus gracilis. B) fasciculus cuneatus. C) spinocerebellar. D) lateral spinothalamic. E) anterior spinothalamic.