You are part of a team that discovers a new nitrogen-fixing bacteria in symbiosis with a plant. As you study this new bacteria, you discover that it is photosynthetic. This bacteria is likely to be:
A. cyanobacteria.
B. actinobacteria.
C. proteobacteria.
D. none of the above.
A. cyanobacteria.
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The methanogenic archaeans are ____ that pull
electrons from ____. a. chemoautotrophs; oxygen b. chemoheterotrophs; carbon dioxide c. chemoautotrophs; water d. chemoheterotrophs; methane e. chemoautotrophs; hydrogen gas
In flowering plants, eggs are to ovules as
A) sperm are to pollen. B) sperm are to anthers. C) pollen is to carpels. D) pollen is to sepals.
What does the folding of the mitochondrial inner membrane provide
A) increased space for protein synthesis B) greater surface area for ATP production C) greater ability to allow for osmosis D) greater ability to remove waste from the cell cytosol E) increased surface are for photosynthesis
How is culture media selected for specimen planting?
A. The selection of media to inoculate is based on the type of specimen submitted for culture and the organism likely to be involved in the infectious process B. Determine the supplemental agar needed as well as the broth media C. Always include non selective media and differential media to help save a day of reading the culture on the bench D. Use on broth for the initial inoculation and subculture to plates after 24 hours of incubation