A symport is a
A) carrier with two binding sites that transports two substances in opposite directions.
B) channel with two binding sites that transports two substances in opposite directions.
C) carrier with two binding sites that transports two substances in the same direction.
D) carrier that transports H+ ions to activate a channel.
E) channel with two binding sites that transports two substances in the same direction.
Correct Answer:
Verified
Q12: Although chloride ions are hydrophilic, they can
Q13: Movement through certain ion channels
A) is influenced
Q14: Which of the following statements about transmembrane
Q15: Aquaporins
A) decrease the permeability coefficient of small
Q16: Active movement across a membrane usually involves
A)
Q18: In animal cells, the Na+-K+ translocating ATPase
A)
Q19: Osmosis refers to the
A) passive movement of
Q20: Osmotic potential is
A) the same as osmotic
Q21: Which one of the following is an
Q22: Which of the following set of conditions
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