McqMate
| Q. |
An eazyme produced by HIV that allows the integration of HIV DNA into the host cell's DNA is |
| A. | Ligase |
| B. | Integrase |
| C. | Helicase |
| D. | DNA gyrase |
| Answer» B. Integrase | |
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Explanation: HIV's enzyme for inserting the DNA version of its genome into the host cell DNA is called its "integrase". HIV-1 integrase catalyzes the "cut-and-paste" action of clipping the host DNA and joining the proyiral genome to the clipped ends. It is also produced by viruses containing double-stranded DNAs for the same purpose. |
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