A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient. The ions move through the transport protein, and into the cell
These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. This transport protein would best be described as ________.
A) a carrier protein
B) a symporter
C) a pump
D) a channel
B
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_________. Fill in the blank(s) with correct word
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