Clusters of gray matter deep within the brain are called
A. cortices.
B. nerves.
C. ganglia.
D. nuclei.
D
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The term that describes the need for one hormone to be present for a second hormone to produce a full effect is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following functional groups of organic compounds link molecules through dehydration synthesis?
A) amino group B) hydroxyl group C) phosphate group D) carboxyl group E) none of the above
The anterior communicating artery of the cerebral arterial circle connects the
A. anterior cerebral arteries. B. posterior communicating artery and the middle cerebral artery. C. basilar artery and the internal carotid artery. D. vertebral arteries. E. posterior cerebral arteries.
The release of hormones from the adrenal medulla is stimulated by
A. the sympathetic division of the autonomic nervous system. B. adrenocorticotropic hormone. C. thyrotropic hormone. D. growth hormone. E. follicle-stimulating hormone.