For any given ion involved in neuronal signaling, the ionic driving force is ____ when membrane potential (Vm) is ____ the equilibrium potential for that ion.
Fill in the blank(s) with the appropriate word(s).
Ionic driving force is fixed for each ion
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Which one of the following would be found in the cells of a blade of grass but not in the cells of an insect feeding on that grass? Select all correct choices
What will be an ideal response?
One can inject dyes of different sizes into a liver cell and determine those molecules that can readily pass through gap junctions. What sized molecules can pass through gap junctions?
A. <1,000 Daltons B. >1,000 Daltons, but <1,500 Daltons C. >10,000 Daltons D. >5,000 Daltons, but <10,000 Daltons E. >1,500 Daltons, but <5,000 Daltons
Suppose the free energy of the reactants is greater than the free energy of the products. Such a reaction is referred to as
a(n) ____. a. entropic reaction. b. endergonic reaction. c. exergonic reaction. d. catabolic reaction. e. activation reaction.
What is the evidence for membrane fluidity?
What will be an ideal response?