Which of the following most accurately
describes the cellular activity associated with
the actual passage of a nerve impulse?
a. electrical discharge
b. action of sodium-potassium pump
c. positive feedback
d. hyperpolarization followed by rebalancing
e. active transport of ions
C
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Which statement is a part of the first law of thermodynamics?
a. Energy can be neither created nor destroyed.
b. Energy cannot be transformed. c. The entropy of the universe is constant. d. The entropy of the universe is decreasing. e. Potential energy is the energy of motion.
The ________ is the distance between the specimen and the objective lens when the specimen is in focus.
Fill in the blank(s) with the appropriate word(s).
The equilibrium constant for a redox reaction is called the standard reduction potential.
Answer the following statement true (T) or false (F)
Rotifers take their name from ____
a. their tumbling movements through the water b. actions of cilia on their head c. their radial symmetry d. their elaborate digestive system e. rotational action around the central body axis