In a Certain Enzyme-Catalyzed Reaction the Following Steps Occur: 1

question 12

Multiple Choice

In a certain enzyme-catalyzed reaction the following steps occur: 1. A phosphate group on substrate A is transferred to a side chain of an active site residue of the enzyme.
2. The dephosphorylated form of substrate A dissociates from the enzyme.
3. Substrate B enters the active site and is phosphorylated with simultaneous regeneration of the enzyme in its original form.
What kind of kinetic mechanism is described?

• A) random
• B) sequential
• C) ordered
• D) ping-pong

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Definitions:

Perceived Threats

Situations or entities that individuals believe could cause them harm or danger based on their personal assessments.

Hostility

A persistent negative attitude marked by cynical, mistrusting thoughts, feelings of anger, and overtly aggressive actions.

Actual Threats

Genuine risks or dangers that are present and could cause harm.

"Old-Fashioned" Discrimination

Discrimination practices or attitudes that are rooted in historical or traditional biases and inequalities, often based on race, gender, or social class.