The Role of an Enzyme in an Enzyme-Catalyzed Reaction Is

question 93

Multiple Choice

The role of an enzyme in an enzyme-catalyzed reaction is to:

• A) bind a transition state intermediate, such that it cannot be converted back to substrate.
• B) ensure that all of the substrate is converted to product.
• C) ensure that the product is more stable than the substrate.
• D) increase the rate at which substrate is converted into product.
• E) make the free-energy change for the reaction more favorable.

---

Definitions:

Long-Run Equilibrium

A state in market conditions where all firms in a perfectly competitive industry earn zero economic profit, leading to the optimal distribution of resources in that industry.

MR

Stands for Marginal Revenue, which is the additional revenue gained from selling one more unit of a product or service.

MC

Short for Marginal Cost, it refers to the increase in total cost that arises from producing one additional unit of a good or service.

Minimum ATC

The point at which the average total cost of production is at its lowest, indicating the most efficient scale of production.