Which of the following statements regarding chemotaxis is incorrect?

A. In a tumble, the flagellum reverses direction, causing the cell to stop moving and change course.
B. When a cell detects a nutrient gradient, it will increase the frequency of runs to move toward the nutrient.
C. The fuel for flagellar motion is not ATP, but a proton gradient.
D. In a cell with peritrichous flagella, each flagellum moves individually but in a coordinated direction during a run.


Answer: D

Biology & Microbiology

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