At rest, active sites on the actin are blocked by
A) myosin molecules.
B) troponin molecules.
C) tropomyosin molecules.
D) calcium ions.
E) ATP molecules.
Answer: C
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Indicate whether this statement is true or false.
A tonsillectomy or adenoidectomy is contraindicated in what conditions? (Select all that apply.)
a. Cleft palate b. Seizure disorders c. Blood dyscrasias d. Sickle cell disease e. Acute infection at the time of surgery
What structure transports bile from the liver to the bile duct?
A) Hepatopancreatic duct B) Cystic duct C) Common hepatic duct D) Accessory pancreatic duct
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A. angiotensin I to angiotensin II. B. angiotensin II to angiotensin I. C. angiotensinogen to angiotensin I. D. angiotensin II to angiotensin III. E. angiotensinogen to angiotensin II.