Cells that "eat" foreign material are called:
A) digesters
B) macrocytes
C) phagocytes
D) morphocytes
C
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The resting cell membrane is more permeable to which ion?
A. Calcium B. Sodium C. Potassium D. Magnesium
The sodium-potassium ion exchange pump
A) must reestablish ion concentrations after each action potential. B) transports sodium ions into the cell during depolarization. C) transports potassium ions out of the cell during repolarization. D) moves sodium and potassium opposite to the direction of their electrochemical gradients. E) depends on a hydrogen gradient for energy.
Due to the differences in opposing forces, there is net ________ occurring at the arteriolar end of most capillaries, coupled with net ________ at the venous end.
A) filtration, absorption B) absorption, filtration
Who are likely to show the greatest similarity in personality?
a. Elizabeth and Betsy, mother and daughter b. Philip and Paul, fraternal twins c. Larry and Laura, brother and sister d. Vincent Sr. and Vincent Jr., father and son e. Ruth and Ramona, identical twins