The small and large intestines are considered part of the lower GI tract.
Answer the following statement true (T) or false (F)
True
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In the signal transduction pathway that results in the formation of inositol triphosphate, the G protein directly activates
A. phospholipase C. B. protein kinase A. C. calmodulin. D. adenylate cyclase.
Greeting everyone that enters the facility is a demonstration of __________
Fill in the blank(s) with correct word
In smooth muscle, actin and myosin filaments:
A. are organized into sarcomeres and aligned to yield a striated appearance B. overlap, with the actin filaments anchored at dense bodies C. overlap, and contain a tropomyosin-troponin complex on the actin filament D. require phosphorylation of the myosin heavy chain to initiate muscle contraction E. typically generate contractile force in the absence of cytosolic Ca++
Vision is dependent upon ________.
A. thermoreceptors B. photoreceptors C. nociceptors D. chemoreceptors E. mechanoreceptors