The outside of the resting plasma membrane is ________ relative to the inside of the resting plasma membrane.
A. recharged
B. electrically neutral
C. positively charged
D. negatively charged
E. None of these choices are correct.
Answer: C
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Stimulation of the Golgi tendon organs result in which of the following changes in the reflex arc?
A. stimulation of a stimulatory association neuron B. stimulation of an inhibitory neuron C. decreased action potentials in alpha motor neurons D. contraction of skeletal muscle fibers E. stimulation of an inhibitory neuron and decreased action potentials in alpha motor neurons
The overall purpose of the countercurrent exchange system is to ________
A) supply nutrients and oxygen to the renal cortex B) remove metabolic wastes from the renal cortex C) supply salt and urea to the renal medulla D) supply nutrients and oxygen to the renal medulla E) remove metabolic wastes from the renal medulla
Iodine deficiency can lead to Grave's disease
Indicate whether the statement is true or false
Which molecule determines the fluidity of the plasma membrane?
A. Protein B. Cholesterol C. Phospholipid