The movement of NH4+ions into a cell down an electrochemical gradient created by H+pumping is an example of ____.
A) an ion pump
B) passive diffusion
C) facilitated diffusion
D) secondary active transport
E) passive transport
Correct Answer:
Verified
Q2: Generally, the energy for pumping protons outside
Q3: Aquaporins are _.
A) channel proteins for water
B)
Q4: The longest limb on the Angel Oak
Q5: When the protoplast shrinks away from the
Q6: Consider a living plant cell in a
Q7: A cell expends energy when moving substances
Q8: Sucrose moves into a cell against its
Q9: Phloem does not transport _.
A) carbohydrates
B) hormones
C)
Q10: The Angel Oak on Johns Island, South
Q11: The typical movement of xylem sap from
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