The Doubly Splice MRNAs Produced by HIV Do Not Contain

question 13

Multiple Choice

The doubly splice mRNAs produced by HIV do not contain the Rev Response Element (RRE) .Which of the following explains why they are transported out of the nucleus without the help of the Rev protein?

• A) They interact with the small subunit of the ribosome, which transport them out of the nuceus
• B) They lack the cis-acting repressive sequences.
• C) The exportin protein binds directly to the mRNAs to transport them.
• D) The inportin protein binds directly to the mRNAs to transport them.
• E) The HIV Rev protein is still required for their export, but it binds to the poly(A) tail instead of the RRE.

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Definitions:

Tobacco Industry

A sector comprising companies that grow, manufacture, and sell tobacco products.

Equilibrium Price

The market price at which the quantity of goods supplied equals the quantity of goods demanded, leading to market stability.

Positive Externality

A benefit enjoyed by a third-party as a result of an economic transaction they are not directly involved in.

Equilibrium Quantity

The amount of products or services available that matches the amount sought after at the price where supply meets demand.