The duodenal ampulla receives secretions from the
A) duodenum and the jejunum.
B) duodenum and the pylorus.
C) bile duct and the pancreatic duct.
D) duodenum and the pancreatic duct.
E) duodenum and the bile duct.
C
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Which of the following mechanisms produces the most ATP during cellular respiration?
A) oxidative phosphorylation B) substrate-level phosphorylation C) oxidation-reduction reactions D) oxidation reactions
While examining a sample of muscle tissue under a microscope, you notice that the cells are multinucleated. They are long, unbranched, striated, and contain a developed transverse tubule system. Which muscle type does this sample contain?
A. Striated muscle B. Skeletal muscle C. Smooth muscle D. Cardiac muscle
The adrenal medulla releases norepinephrine and epinephrine into the bloodstream.
Answer the following statement true (T) or false (F)
Which is a characteristic of hydrophobic hormones?
A. They mostly bind to receptor proteins in the surface membrane of target cells. B. They are generally polar molecules. C. They usually have very rapid effects on target cells. D. Their mechanism of action generally involves altering protein synthesis. E. They are highly soluble in blood plasma.