What does the enterogastric reflex accomplish?
A) increases output of enzyme-rich pancreatic juice
B) stimulates the release of gastric juices
C) slows the emptying of the stomach contents
D) stimulates gallbladder to contract and expel bile
E) stimulates emptying of the stomach contents
C
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Membrane-bound proteins that use metabolic energy to move ions across the plasma membrane are called ________ pumps
A) channel B) receptor C) active D) motor E) ion
Which of the following is not true of ion pumps?
a. found in the plasma membrane b. moves material down a concentration gradient c. is made of protein d. all of the above are true of ion pumps
Rabies is easily cured with antibiotic treatment
Indicate whether the statement is true or false
Which one of the following is NOT true of cholesterol?
A) Cholesterol provides energy fuel for muscle contraction. B) Cholesterol serves as the structural basis of steroid hormones. C) Cholesterol serves as the structural basis of vitamin D. D) Cholesterol is a major building block of plasma membranes. E) Only about 15 percent of cholesterol comes from the diet.