The neurotransmitter involved in the process of contraction in skeletal muscles is
A) synovial fluid.
B) ATP.
C) troponin.
D) acetylcholine.
E) None of the answers are correct.
D) acetylcholine.
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When the blood supply to a portion of the brain is cut off, the resulting damage is called
A) atherorsclerosis. B) amnesia. C) cerebral palsy. D) a stroke. E) None of the answers are correct.
The only means by which an extracellular chemical messenger can bring about a desired intracellular response is to activate a second messenger system
Indicate whether the statement is true or false
As the level of circulating, active thyroid hormone increases, the BMR increases correspondingly
Indicate whether the statement is true or false
The ________ is formed by the union of the cystic duct and the common hepatic duct
A) common bile duct B) common hepatic duct C) hepatopancreatic sphincter D) left hepatic duct E) duodenal ampulla