Some Plant Cells Take Advantage of the High Concentration of Protons

question 74

Multiple Choice

Some plant cells take advantage of the high concentration of protons outside the cell to move solutes, such as sucrose, across the plasma membrane into the cell where the sucrose concentration is already relatively high. This type of transport is an example of:

• A)facilitated diffusion.
• B)osmosis.
• C)secondary active transport.
• D)passive transport.

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