The function of the sodium/potassium pump on an axon is to ________.
a. produce action potentials
b. produce graded potentials
c. make neurotransmitters
d. pump sodium out and potassium into an axon
Answer: d. pump sodium out and potassium into an axon
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The zone that is exposed only during spring tides is called:
a. lower intertidal. b. subtidal. c. Laminaria. d. seagrass. e. splash.
How does temperature-driven vertical turnover occur, and what is its importance?
What will be an ideal response?
Microbial ________ are scientists who investigate the synthesis of antibiotics and toxins, the production of energy with microorganisms, and the ways in which microorganisms survive harsh environmental conditions.
Fill in the blank(s) with the appropriate word(s).
The measurement of the temperature of a substance
is directly related to a. the nature of its chemical bonds. b. its reactivity. c. its thermal conductivity. d. the motion of its molecules. e. the mass of its molecules.