Exam 17: The Microorganisms: Viruses, Bacteria, and Protists

Which of the following are acellular?

Which means of genetic recombination in bacteria requires direct contact between donor and recipient cells?

Pathogens are disease-causing ________.

What evidence supports the idea that archaea are more closely related to eukaryotes rather than to bacteria?

Algae are commonly grouped by their type of ________.

Which of these is mismatched?

Some species of pathogenic bacteria are able to attack specific tissues in the human body because of

Penicillin is an antibiotic drug that interferes with cell wall synthesis in bacteria, eventually resulting in cell death. What effect would you predict if you applied penicillin to archaea?

Protists can be

Cell-like structures that may have resulted from macromolecular self-assembly are referred to as ________.

African sleeping sickness is caused by a

Which of these occurs during the bacteriophage lysogenic cycle but not the lytic cycle?

The genetic material of a bacterium can include ________.

Which is the correct order of events in the lytic cycle of a bacteriophage?

Which of these is mismatched?

Cyanobacteria are important producers as ________.

In the infamous anthrax attacks of 2001, several letters were received at the offices of two U.S. senators and various news media outlets. The letters contained dry granular or powdery material. Seventeen people who came into contact with the material from the letters suffered anthrax infections; five more died of anthrax. How could dried-out material cause anthrax?

Which of the following is not caused by an emerging virus?

Which similarity is not shared between algae and plants?

A researcher infects a bacterium with a bacteriophage and notices that the infection does not immediately bring about the destruction of the host cell. Instead, the phage genetic material is copied whenever the host reproduces. Which viral replication cycle is described here?