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According to the Acid-Growth Hypothesis, Auxin Causes Increased Acidity in Cell

Question 27

Multiple Choice

According to the acid-growth hypothesis, auxin causes increased acidity in cell walls and disrupts bonds between cellulose microfibrils, allowing cell expansion. Which of the following does auxin activate for this to occur?


A) a membrane potential
B) AUX1 transporters
C) proteins called expansins
D) K+ ions

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