Multiple Choice
The Na+/K+ ion pump is responsible for
A) diffusing chloride across the plasma membrane.
B) transferring messages from enzyme-linked receptors to the cell nucleus.
C) maintaining the sodium/potassium concentration gradients constant.
D) initiating action potentials.
E) amplifying signals using ATP.
Correct Answer:

Verified
Correct Answer:
Verified
Q90: Describe a motor unit. How many fibers
Q104: During activities requiring aerobic endurance,<br>A)glycogen and glycolysis
Q111: List the interrelated steps that occur once
Q113: Why is the zone of overlap an
Q114: Define <i>motor unit</i>.<br>A)A motor unit is the
Q117: Compare F-actin with G-actin.<br>A)F actin is a
Q118: At peak levels of muscle exertion,the mitochondria
Q119: When do muscle fibers produce lactate?<br>A)Muscle fibers
Q120: Cellular membrane potential is measured in<br>A)milliseconds.<br>B)micrometers.<br>C)Hertz.<br>D)millivolts.<br>E)amperes.
Q121: The muscle weakness of myasthenia gravis results