Which of the Statements Below Served as Evidence That Rotational

question 8

Multiple Choice

Which of the statements below served as evidence that rotational catalysis occurs in ATP synthase?

• A)movement was directly observed in the electron microscope
• B)a fluorescently labeled actin filament attached to the enzyme's ɤ subunit was seen to rotate when ATP was added to the enzyme which was fixed to a cover slip
• C)circular dichroism revealed the movement
• D)an inhibitor stopped the enzyme movement
• E)atomic force microscopy showed the movement

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