Which of the Following Statements About Retroviruses Is FALSE

question 38

Multiple Choice

Which of the following statements about retroviruses is FALSE?

• A) All retroviruses contain oncogenes, which can induce the formation of tumors.
• B) All retroviruses contain gag genes whose product forms the viral protein coat.
• C) All retroviruses require pol genes, which are critical for retrotranscription.
• D) All retroviral genomes have gag, pol, and env genes.
• E) Not all RNA viruses are retroviruses.

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Definitions:

RFS

Requirement for the feature size; a specification in geometric tolerancing where size is a factor.

Runout Tolerance

A type of geometric tolerance that controls the variation of a feature's surface as it rotates about a datum axis.

Surface Profile

Describes the quantifiable variation, texture, or roughness of a surface over a specified area.

Thick Line

In drafting and drawing, a thick line typically refers to lines with increased weight used to denote boundaries, important features, or objects that are in the foreground.