micropara Flashcards
(21 cards)
True or False: All prokaryotes reproduce sexually.
False
True or False: A bacillus is a bacterium with a slightly curved rod shape.
False
True or False: If you were to view staphylococci, you should expect to see clusters of cells.
True
True or False: Chlamydias have peptidoglycan cell walls.
False
True or False: Archaea are classified into phyla based primarily on tRNA sequences.
True
True or False: Halophiles inhabit extremely saline habitats, such as the Great Salt Lake.
True
True or False: Pigments located in thylakoids in phototrophic bacteria trap light energy for metabolic processes.
True
True or False: Most cyanobacteria form heterocysts in which nitrogen fixation occurs.
True
True or False: A giant bacterium that is large enough to be seen without a microscope is Selenomonas.
False
True or False: When environmental nutrients are depleted, myxobacteria aggregate in mounds to form fruiting bodies.
True
The type of reproduction in prokaryotes that results in a palisade arrangement of cells is called ______.
C. snapping division
The thick-walled reproductive spores produced in the middle of cyanobacterial filaments are called ______.
A. akinetes
Which of the following terms best describes stiff, spiral-shaped prokaryotic cells?
C. Spirilla
Endospores ______.
D. All of the above are correct.
How is Halobacterium salinarum distinctive?
A. It is absolutely dependent on high salt concentrations.
Photosynthetic bacteria that also fix nitrogen are ______.
D. cyanobacteria
Which genus is the most common anaerobic human pathogen?
A. Bacteroides
Flexible spiral-shaped prokaryotes are ______.
B. spirochetes
Bacteria that convert nitrogen gas into ammonia are ______.
C. nitrogen fixers
The presence of mycolic acid in the cell wall characterizes ______.
D. Mycobacterium
