Exam 20: Viruses, Bacteria, and Archaea

All of the following are means of genetic recombination in prokaryotes EXCEPT

Identify the correct sequence of events that occur during the reproduction of HIV.

When conditions are unfavorable, some bacteria form

Which statement is NOT true about a retrovirus?

Describe the lysogenic cycle of a bacteriophage and/or a prophage. Why do you think it would be useful to the virus to have this cycle.

Chemoautotrophs oxidize which of the following to obtain the energy necessary to reduce carbon dioxide to an organic compound?

The innermost portion of a virus' structure is made up of

Which of the following characteristics about saprotrophs is NOT true?

The cycle of viral infection in which the viral DNA is integrated into the host's DNA is called the _______ cycle.

What is the correct sequence of events in the lytic cycle of a bacteriophage infection?

Influenza strains that sweep around the world often carry names such as Shanghai H₁N₁ or Mexico City H₂N₂. The viruses vary in H and N surface proteins because

Which enzyme enables a retrovirus to convert its' RNA genome into DNA?

Study the life cycle diagram. Label A is the ________ life cycle.

Viruses are categorized according to all of the following EXCEPT

In order to infect a cell, a virus must

Prokaryotes are now divided into the

What are the two Domains that the prokaryotes are classified under?

Name the labeled structures of the virus pictured in this figure. A: _____________ B: _____________ C: _____________ D: _____________ E: _____________ (protein shell)

Pasteur's experiments are depicted in this diagram. Do the results of the first experiment confirm the prediction of Hypothesis A? Do the results of the first experiment confirm the prediction of Hypothesis B?

The cycle of viral infection of a bacterial cell that will cause its death most rapidly is called the _______ cycle.