Gated channels for sodium ions may include
A) chemical gates, which respond to ligands.
B) mechanical gates, which respond to pressure.
C) voltage gates, which respond to electrical signals.
D) All of the answers are correct.
E) None of the answers are correct.
D) All of the answers are correct.
You might also like to view...
The HIV virus infects ________.
A. helper T cells B. suppressor T cells C. cytotoxic T cells D. monocytes E. B cells
In this activity, the pressure in the pleural cavity would be located _______.
A. between the bell jar and the outer wall of the lung B. below the diaphragm C. in the simulated lungs D. in the valve
At the knee, the small saphenous and popliteal veins unite to form the ________ vein
A) femoral B) popliteal C) external iliac D) internal iliac E) inferior vena cava
The enzyme lactase:
A. is involved directly in the digestion of proteins. B. is necessary for the breakdown of milk fats. C. is embedded in the luminal plasma membranes of intestinal epithelial cells. D. promotes the formation of and storage of bile by the gallbladder. E. is overproduced and released by secretory cells in the small intestine in the condition known as lactose intolerance.