In the Experiment That Demonstrated That Rotational Catalysis Occurs, a Fluorescently

question 25

Multiple Choice

In the experiment that demonstrated that rotational catalysis occurs, a fluorescently labeled actin filament attached to the ATP synthase enzyme's ɤ subunit was seen to rotate when ATP was added to the enzyme, which was fixed to a cover slip. With each step in the rotational catalysis, how much could the actin filament be seen to rotate?

• A)0°
• B)360°
• C)120°
• D)90°
• E)3°

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Definitions:

Strange Situation

A procedure devised by Mary Ainsworth in the 1970s to observe attachment relationships between a caregiver and child.

Securely Attached

A classification in attachment theory, indicating children or adults who feel confident and trustful in their relationships.

Securely Attached

A term used in attachment theory describing individuals who have healthy emotional bonds and relationships, often resulting from consistent and responsive caregiving in early life.

Mutual Regulation

Process by which infant and caregiver communicate emotional states to each other and respond appropriately.