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    Biology
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    Introductory Plant Biology
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    Exam 9: Water in Plants
  5. Question
    Substances Are Absorbed and Retained Against a Concentration Gradient, Through
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Substances Are Absorbed and Retained Against a Concentration Gradient, Through

Question 2

Question 2

Multiple Choice

Substances are absorbed and retained against a concentration gradient, through the expenditure of energy, by ________.


A) active transport
B) passive transport
C) imbibition
D) osmosis
E) None of these answers are correct.

Correct Answer:

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