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Q: During the action of a sodium-potassium pump, 50 ATP molecules were spent. Predict how many sodium ions are transported across the cell membrane.
A: ATP molecule allows 3 Na+ to move out of the cell and 2 K+ to enter. So 50 ATP molecules allow 150 Sodium ions to move out and 100 Potassium ions to move in. The answer is: 150
Expert answered|alfred123|Points 843|
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Asked 11/13/2012 10:07:51 AM
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Which of these organelles is absent in a prokaryotic cell?
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Expert Answered
Updated 6/3/2014 6:52:07 PM
1 Answer/Comment
The nuclear membrane is absent in a prokaryotic cell.
Added 6/3/2014 6:52:07 PM
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