Which one of the following requires the cell to expend energy?
a. ECF moving into a cell via pinocytosis
b. Glucose moving through a facilitated diffusion carrier
c. K+ ions moving out of a cell
d. Water moving through an aquaporin
e. Na+ ions moving through a leak channel
A
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Exocytosis occurs as a result of
A. hydrostatic pressure. B. the expenditure of energy in the form of ATP. C. molecular movement with carrier assistance. D. concentration gradients. E. ion pumps.
The painkiller sold as Ziconotide comes from a
A) bacterium. B) snail. C) plant. D) fungus.
Antibodies secreted in breast milk
A. provide natural active adaptive immunity. B. are IgA antibodies. C. promote inflammation. D. are IgG antibodies. E. include the cytokine interleukin 2.
The medial surface of the left lung has a cavity that accommodates the contents of the mediastinum. It is called the ________
A) paraphrenic indentation B) medial notch C) cardiac notch D) stinal indentation