The DNA Binding Motif for Many Prokaryotic Regulatory Proteins, Such

question 70

Multiple Choice

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:

• A) helix-turn-helix.
• B) homeobox.
• C) homeodomain.
• D) leucine zipper.
• E) zinc finger.

---

Definitions:

Domestic Producers

Companies or individuals within a country that manufacture goods or offer services domestically.

Per-unit Tariff

A type of tax imposed on each unit of imported goods, raising the cost of these goods to the importer.

Per-unit Revenue

The amount of income that is generated for each unit of goods or services sold.

Infant Industry Argument

A protectionist stance arguing that emerging domestic industries should be shielded from foreign competition until they become competitive globally.