Which statement accurately describes the merits of different receptive field properties?
A. Having small receptive fields allows for more precision, but because more receptors are needed it increases overall energy costs.
B. Having large receptive fields allows for more precision, but because the area of responsiveness is larger, it increases the body's energy costs.
C. Having small receptive fields allows for more precision, smaller body surfaces, and decreased energy costs overall.
D. Having large receptive fields allows for more precision, larger body surfaces, and decreased energy costs overall.
A
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If the adenyl cyclase activity of liver cells were missing, which of these hormones could no longer stimulate release of glucose?
A) progesterone B) glucagon C) cortisol D) thyroxine E) leptin
__________ is the hormone antagonist of insulin
Fill in the blank with the correct word.
According to the sliding filament mechanism of muscle contraction, the muscle fibers of one motor unit slide in closer together between the muscle fibers of adjacent motor units
Indicate whether the statement is true or false
The middle cerebral artery is a branch of the basilar artery.
a. true b. false