The Catabolite Repression System in E

question 16

Essay

The catabolite repression system in E.coli essentially represses the lac operon when glucose is present.What evolutionary advantage would favor evolution of such a system?

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Definitions:

Accounting Profit

The difference between the total revenue received from sales and the total explicit costs of a business.

Explicit Costs

Direct payments made to others in the course of running a business, such as wages, rent, and materials.

Implicit Costs

The opportunity costs of using resources that a business already owns, representing the potential income lost in employing them in a specific task.

Forgone Income

Income not earned due to choosing an alternative action, such as studying full-time instead of working.