Which Component in an Operon Is Incorrectly Matched with Its

question 32

Multiple Choice

Which component in an operon is incorrectly matched with its function?

• A) promoter-where RNA polymerase first binds to DNA
• B) regulator gene-binds to the repressor protein
• C) structural gene-makes mRNA by transcription
• D) operator-if not bound to repressor, allows RNA polymerase to bind to DNA

---

Definitions:

Net Present Value

The difference between the current value of cash inflows and the current value of cash outflows over a period of time; used to evaluate the profitability of an investment.

Internal Rate of Return

The interest rate that brings the net present value of all incoming and outgoing cash flows from an investment or project to a neutral point of zero.

Excel Spreadsheets

A software program used for data organization, analysis, and storage in tabular form.

Profitability Index

A financial tool used to evaluate the attractiveness of an investment, calculated as the present value of future cash flows divided by the initial investment.