Bone-forming cells are called
A) osteoclasts.
B) osteocytes.
C) osteons.
D) ossification centers.
E) osteoblasts.
E) osteoblasts.
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Which of the following statements about the Na+/K+ pump is FALSE?
A) Its activity requires the expenditure of metabolic (cellular) energy. B) It transports Na+ and K+ in a 1:1 ratio. C) It is present in neurons. D) It transports Na+ out of the cell and K+ into the cell.
Explain the function of sodium-potassium ion pumps
A) They generate ATP for the cell during the electron transport chain when hydrogen ions move in a process known as chemiosmosis. B) The sodium-potassium ion pump binds acetylcholine across the synaptic cleft to generate an action potential at the sarcolemma. C) The sodium-potassium ion pump allows facilitated diffusion of potassium during the repolarization of a muscle cell. D) The sodium-potassium ion pump allows facilitated diffusion of sodium during the depolarization of a muscle cell. E) The sodium-potassium ion pump maintains the resting membrane potential of a cell by exporting three sodium ions out in exchange for two potassium ions entering the cell.
Discuss why an acidic pH is necessary for the stomach's activities to be accomplished
What will be an ideal response?
List and briefly describe the major functions of blood
What will be an ideal response