Quorum sensing is used by bacteria to facilitate the formation of endospores
Indicate whether the statement is true or false.
ANSWER: False - biofilms
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Development of drug resistance is encouraged by
A. use of two drugs simultaneously with the hope that each will prevent the emergence of resistance to the other. B. widespread use of broad-spectrum drugs. C. using drugs appropriate for the infectious agent being treated. D. avoidance of indiscriminate use of drugs. E. use of a high enough concentration of the drug to destroy any spontaneous resistant mutants that might arise.
Which of the following is not true of miRNA processing?
A. Drosha processes primary miRNA transcripts to precursor miRNAs. B. RISC binds to pre-miRNA in the cytoplasm. C. RNA helicase is necessary for unwinding the miRNA duplex. D. Dicer completes the processing by cleaving the single-stranded form of the miRNA.
John Hoogland (1998 ) studied Gunnison's prairie dogs (Cynomys gunnisoni) and observed that an increase in litter size was observed when females ________
A) chose males that were the largest in the colony B) mated with more than one male C) extended the time of copulation with individual males D) established a large territory for mating
Great swamp forests covered the globe and formed the major coal deposits during the:a
Jurassic period. b. Eocene epoch. c. Carboniferous period. d. Precambrian. e. Ordovician period.