Proton pumps establish an electrochemical gradient across the plasma membranes of root hair cells. Which of the following statements about this gradient is true?

+2 votes

 

  

The membrane potential of the cell is about 200 mV.

  

The concentration gradient favors the entry of both positively and negatively charged ions into the cell.

  

The gradient favors the entry of negatively charged ions into the cell.

  

The gradient favors the entry of positively charged ions into the cell.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

The gradient favors the entry of positively charged ions into the cell.

 

answered Dec 31, 2012 by Luffy ~Expert~ (977 points)

Related questions

0 votes
1 answer 95 views
+1 vote
1 answer 93 views
0 votes
1 answer 15 views
0 votes
1 answer 87 views



...