The differences in relative concentrations of ions inside and outside the cell act as an electrical force. The specific ion(s) MOST important to establishing the resting potential in neurons would be
A. Na+.
B. K+.
C. intracellular anions (e.g., proteins).
D. H+.
E. Na+, K+ and intracellular anions are all important.
E. Na+, K+ and intracellular anions are all important.
You might also like to view...
Three classmates from microbiology class are talking about drug resistance. They each disagree about the definition of the term so they state his or her definition and give a justification. Compare the various definitions and justifications below and pick the one that is most accurate.
A. The bacterium has changed physically or chemically in some way to be able to destroy the drug or avoid its action, allowing it to grow unimpeded by the drug. B. The person becomes resistant to the drug; the body adjusts to the dosage of the chemical and no longer responds to its action. C. The drug is changed in the body and is inactivated physically and chemically so it no longer works properly against the bacterium. D. The bacterium becomes immune to the drug; the drug no longer kills or inhibits the bacterium.
In zoo animals, inbreeding often occurs because of a lack of a sufficient pool of breeding individuals. Under such conditions, which two characteristics are often exhibited among inbred organisms?
What will be an ideal response?
All releasing hormones produced by neurosecretory cells of the hypothalamus are
A) ions. B) peptides. C) steroids. D) modified amino acids. E) modified fatty acids.
Mendel's monohybrid experiment results led to his law of __________.
Fill in the blank(s) with the appropriate word(s).