Friday
April 18, 2014

Homework Help: science

Posted by kj on Sunday, September 18, 2011 at 5:04pm.

Most proteins (do or don't) pass through the plasma membrane? Explain?

Substances that dissolve in (lipids or water) can more readily pass across the plasma membrane. Explain

Ions can cross the plasma membrane more easily if they have the (same or opposite) charge as the membrane. Explain.

Plasma membranes have special molecules that help to transport substances across the membranes. These molecules are named what?

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