Stomach emptying is controlled by the secretion of ____

a. gastrin
b. CCK
c. epinephrine
d. HCl
e. ghrelin


ANSWER: b

Biology & Microbiology

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Each tier of the biomass pyramid depicts the

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The element to which oxygen (O2) binds in a hemoglobin molecule is ___________

A. nitrogen D. potassium B. carbon E. phosphorous C. iron

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The double-stranded DNA molecule can be described as a twisted rope ladder. What component of DNA would be like the steps of the ladder?

A) DNA polymerase B) nitrogenous bases C) phosphate groups D) sugar (deoxyribose) molecules

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)

A. Aminoglycosides B. Macrolide polyenes C. Beta-lactams D. Azoles E. Echinocandins F. Allylamines

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