Many biologists debate how a virus should be classified. In 2008, scientists in France discovered that a virus was capable of infecting another virus. Which theory might be supported by this information?
a virus is living
a virus is nonliving
a virus uses sexual reproduction
a virus makes its own proteins

The Answers to the Viruses Quiz.

1. D. a period of genetic integration

2. C. energy metabolism

3. C. cell membrane

4. A. HIV

5. D. ribosome

6. A. it is destroyed.

7. A. a virus is living

8. D. capsid protein

9. B. Unlike the lysogenic cycle, the lytic cycle involves destruction of the host.

10. C. step E

Edge 2021

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: