Mimivirus, Which Infects an Amoeba, Is the Largest Known DsDNA

question 19

Essay

Mimivirus, which infects an amoeba, is the largest known dsDNA virus and has a genome larger than some free living bacteria and archae.Even though it encodes many of its own enzymes and even tRNAs, it still does not produce its own ribosomes.Describe the possible evolutionary origin of such a large and complex viruses.

---

Definitions:

Postural Drainage

A technique to clear mucus from the lungs by positioning the body so that gravity helps in the drainage process.

Trendelenburg's Position

A medical position where the patient lies on their back with the legs elevated higher than the head, used to improve blood flow or for specific surgeries.

Semi-Fowler's Position

A position in which a person sits on the bed with the head of the bed raised to between 15 and 45 degrees, commonly used to promote comfort and respiratory function.

Fowler's Position

A semi-upright sitting position where the patient is typically at a 45- to 60-degree angle, used to promote comfort and respiratory function.