Why Was It Previously Believed That Only DNA Viruses Can

question 25

Essay

Why was it previously believed that only DNA viruses can cause cancer? How can RNA viruses cause cancer?

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Definitions:

Overlapping Spheres

Conceptual representation of how different parts or spheres of an ecosystem or the Earth intersect and interact with each other.

Lithosphere

The rigid outer layer of the Earth, composed of the crust and the upper part of the mantle.

Biosphere

The spherical zone that includes life and all of the places life can exist on, below, and above Earth’s surface.

Rapid City Flood

A catastrophic flood event that occurred in Rapid City, South Dakota, in 1972 due to heavy rainfall.