When a neuron is at rest, what maintains the high concentration gradients of potassium ions inside the cell and sodium ions outside the cell?
A) diffusion
B) osmosis
C) active transport
D) ion channels
C
You might also like to view...
The general structural and functional differences between a nerve and smooth muscle cell within an individual are a result of
A. the proteome (proteins in a cell) that differ between muscle and nerve cells. B. the genome (DNA in a cell) being different between muscle and nerve cells. C. the relative amounts of certain proteins between muscle and nerve cells. D. the proteome and the relative amounts of certain proteins that differ between muscle and nerve cells. E. the genome and the relative amounts of certain proteins that differ between muscle and nerve cells.
If you want a plant to grow very large, which hormones might you want to treat it with? Check all that apply.
_____ Abscisic acid. _____ Gibberellins. _____ Brassinosteriods. _____ Cytokinins.
In a mixture, which would be present in the least amount?
a. solvent b. solute c. water d. both solvent and solute e. both solvent and water
Which of the following would have glycosidic bonds?
A. triglycerides B. monosaccharides C. polysaccharides D. polypeptides E. ATP