Pneumocystis Pneumonia Is Commonly Seen in Patients with AIDS

question 173

True/False

Pneumocystis pneumonia is commonly seen in patients with AIDS.

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Definitions:

Ecosystem Experiments

Controlled studies designed to investigate the relationships among organisms and their environment within an ecosystem.

Heterocysts

Specialized nitrogen-fixing cells found in some filamentous cyanobacteria, providing an anaerobic environment necessary for the fixation of atmospheric nitrogen.

Nitrogen Cycle

A biochemical cycle that involves the conversion of nitrogen into multiple chemical forms as it circulates among the atmosphere, terrestrial, and marine ecosystems.

Nitrification

A microbial process in the nitrogen cycle where ammonia is converted into nitrite and then into nitrate.