Ion pumps differ from ion channels in that
a. they allow different types of ions to cross the neural membrane
b. pumps respond to ligands and drugs whereas channels respond to the electrical environment in their immediate vicinity.
c. channels require energy to operate whereas pumps do not.
d. pumps require energy to function whereas channels do not.
d
You might also like to view...
The conclusion to be drawn from the man named Shereshevskii whose abnormal brain functioning gave him virtually limitless word-for-word memory is that having memory like a video recorder
A. is largely a blessing because no event would be erased. B. is an advantage because it eliminates "selective" recording (remembering some events and forgetting others), which provides no useful service to humans. C. helped him draw powerful inferences and intelligent conclusions from his vast knowledge base. D. can seriously disrupt functioning in one's personal life
Which of the models of prevention is the most statistical and mathematical in nature?
a. sociocultural b. distribution of consumption c. proscriptive d. harm reduction
Which statement about the role of missing evidence in decision making is TRUE?
A) People have a natural tendency to seek out informational gaps in order to arrive at the best possible decision. B) People usually overvalue the importance of missing evidence. C) People usually ignore missing evidence. D) People have a strong tendency to actively seek missing information if what is missing would challenge their existing beliefs.
Two-year-old Samantha became a big sister today when her mother gave birth to her brother. This represents the ___________ level according to Bronfenbrenner
a. macrosystem c. mesosystem b. chronosystem d. exosystem