What Is Unusual About How the Tat Protein from HIV

question 21

Multiple Choice

What is unusual about how the tat protein from HIV activates transcription from the LTR?

• A) It binds to the tat response element as RNA but not as DNA.
• B) It binds directly to the cellular RNA polymerase II.
• C) It binds to the reverse transcriptase enzyme and enhances its processivity.
• D) It binds next to the TATA box and enhances binding of TBP to the LTR.
• E) It inactivates the repressor of NF-kB so that this protein can bind to the LTR.

---

Definitions:

Activity Base

A measure used to assign costs to cost objects based on their use of activities, often used in activity-based costing.

Direct Labor Hours

The total hours worked by employees directly involved in manufacturing a product or providing a service.

Machine Hours

A measurement of the amount of time a machine is operated, used in allocating manufacturing costs to products.

Annual Overhead Costs

The total of all expenses that are not directly tied to the production of goods or services within one year.