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book Biology 11th Edition by Cecie Starr ,Ralph Taggart cover

Biology 11th Edition by Cecie Starr ,Ralph Taggart

Edition 11ISBN: 978-0495106784
book Biology 11th Edition by Cecie Starr ,Ralph Taggart cover

Biology 11th Edition by Cecie Starr ,Ralph Taggart

Edition 11ISBN: 978-0495106784
Exercise 9
Some sodium ions cross a cell membrane through transport proteins that first must be activated by an energy boost. This is an example of ____________.
A) passive transport
B) active transport
C) facilitated diffusion
D) a and c
Explanation
Verified
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Hence, the correct option is (b) active ...

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Biology 11th Edition by Cecie Starr ,Ralph Taggart
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