Suppose a microbiologist wanted to identify the microbe responsible for a specific metabolic activity. To simultaneously assess metabolic activity and phylogenetic identity, the best technique would be ________.
A. optical tweezers with microelectodes
B. microautoradiography with fluorescent in situ hybridization (MAR-FISH)
C. isotope fractionation
D. metatranscriptomics
Answer: B
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Genetic abnormalities that occur before fertilization may result in some tissues of the body differing in their genetic composition. This is called mosaicism
Indicate whether the statement is true or false
Corneal implants have been implicated in a few cases of
A. botulism. B. trypanosomiasis. C. Creutzfeldt-Jakob. D. scrapie.
Chromosomes are copied during what stage of the cell cycle?
A. M B. D C. G1 D. G2 E. S
Mycoplasma pneumoniae causes respiratory disease by
A. infecting and killing alveolar macrophages. B. triggering inflammatory mediator release. C. attaching to and ultimately killing the ciliated epithelial cells of the trachea. D. paralyzing the respiratory muscles. E. killing the epithelial cells of the alveoli.