The exocrine portion of the pancreas consists of lobules called ________, which secrete ________.
Fill in the blank(s) with the appropriate word(s).
acini, digestive enzymes
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The human gestation period consists of
A) fertilization and one trimester. B) two trimesters of 1 month each. C) three trimesters of 1 month each. D) two trimesters of 2 months each. E) three trimesters of 3 months each.
Which class of major histocompatibility molecules is specific to antigen-presenting cells?
A. MHC class I B. MHC class II
What are the three types of media influence? Give an example of each.
What will be an ideal response?
What role does dopamine play in motor control?
A) Dopamine enhances the process of motor learning in the cerebellum to reduce motor error. B) Dopamine binds receptors on the caudate nucleus and putamen, inhibiting the globus pallidus. The upper motor neurons are eventually activated. C) Dopamine inhibits the substantial nigra of the basal nuclei and inhibits the upper motor neurons from initiating movement. D) Dopamine binds receptors in the cerebral cortex to activate upper motor neurons to produce coordinated and smooth movements.