Denitrifying bacteria convert ________ to ________
A) ammonium; nitrates
B) nitrates; nitrogen gas
C) nitrogen gas; nitrates
D) nitrogen gas; nitrites
Answer: B
You might also like to view...
Assuming complete dominance, what is the expected ratio of genotypes of the offspring following the cross of two heterozygotes?
A. 1:1 B. 4:1 C. 1:2:1 D. 3:1
A particular characteristic of disease-causing Streptococcus is
A. catalase production. B. beta-hemolysis. C. lactic acid production. D. growth at refrigerator temperatures.
Which of the following statements about the lytic pathway is false? a. Viral genes instruct the cell to produce a viral enzyme that initiates lysis and releases new virus particles
b. After the viral genome is injected into the host cell, viral genes direct the cell to make viral DNA and proteins. c. The virus enters a latent state during which time it is integrated into the host cell membrane. d. The virus attaches to the host cell and injects DNA into it.
Nesting geese will roll softballs (placed next to their nests by biologists) into their nests, perhaps because the balls resemble eggs that might have rolled out of the nest. This behavior is most likely
A) insight learning. B) conditioned. C) innate. D) habituation. E) trial-and-error learning.