Phospholipids are described as
A. nonpolar.
B. polar.
C. amphipathic.
D. amphiprotic.
Answer: C
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The effect on the heart of excess potassium ion concentration usually is
A) increased rate and decreased force of contraction. B) decreased rate and decreased force of contraction. C) decreased rate and increased force of contraction. D) increased rate and increased force of contraction.
The Golgi complex is functionally connected to the ER
Indicate whether the statement is true or false
Which of the following statements accurately summarizes the difference between static and dynamic equilibrium?
A) Static equilibrium involves changes in olfaction, whereas dynamic equilibrium involves changes in gustation. B) There is no difference between static and dynamic equilibrium. C) Static equilibrium involves changes in linear movements, whereas dynamic equilibrium involves changes in angular acceleration and deceleration. D) Dynamic equilibrium involves changes in linear movements, whereas static equilibrium involves changes in angular acceleration and deceleration.
During an action potential, the membrane potential depolarizes all the way up to ________ mV.
A. +35 B. 0 C. -35 D. -70