Microbes called the group I archaea or mesophilic Crenarchaeota that were found to oxidize ammonia in marine environments are now placed in the phylum ________.
A. Crenarchaeota II
B. Euryarchaeota
C. Thaumarchaeota
D. Korarchaeota
Answer: C
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The property of water whereby molecules tend to stick to objects is called:
a. cohesion. b. surface tension. c. dissolving ability. d. adhesion. e. viscosity.
The hormone __________ is involved in a positive
feedback cycle that results in strong uterine contractions during labor. a. estrogen b. oxytocin c. cortisol d. progesterone e. prolactin
DNA barcoding:
A: is a type of reverse genetics. B: is the most commonly used type of DNA fingerprinting used by the FBI. C: attempts to provide a unique sequence identifier for all life forms. D: is based mainly on repetitive DNA. E: is used for prenatal genetic screening.
One application of auxins is used in the production of
A. fruit overgrowth. B. fruit size increase. C. fruit lacking seeds. D. fruit ripening. E. None of the answers are correct.