A Repressible Operon Is Usually Controlled By

question 51

Multiple Choice

A repressible operon is usually controlled by:

• A) an inactive repressor that allows it to be in the "on" state
• B) the supply of the precursor product for the enzymes
• C) an inactive repressor that keeps it in the "off" state
• D) tryptophan
• E) being turned "on," usually by the end product of the pathway

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Definitions:

Service Cost

The actuarial present value of benefits earned by employees in the current period under a defined benefit plan, included in pension expense.

Interest Cost

The cost incurred by an entity for borrowing funds, typically reflected as an expense in the income statement.

Pension Expense

The annual cost recognized by an employer for maintaining a retirement plan for its employees.

Actuarial Assumptions

Estimates used to calculate the present and future financial obligations of pension plans and insurance policies, often involving life expectancy and interest rates.