Restriction Endonucleases in Bacteria May Have Evolved in Order to

question 68

Multiple Choice

Restriction endonucleases in bacteria may have evolved in order to

• A)carry out natural genetic engineering.
• B)protect the bacteria from infection by viruses.
• C)use nucleic acids as a food (energy)source.
• D)All of the choices are correct.

---

Definitions:

Perfectly Competitive

Refers to a market structure where many firms sell identical products, entry and exit are easy, and no single firm can influence the market price.

Airbus Industries

A major European multinational aerospace corporation known primarily for designing, manufacturing, and selling commercial aircraft worldwide.

Annual Sales

The total revenue a company generates from its business activities over the course of a year.

Perfectly Competitive Market

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.