Which event will help move elements into, out of and between environmental reservoirs?
a. Earthquakes
b. Erosion
c. All of these choices
d. Volcanic eruptions
e. Uplifting
c
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Plasmids that have genes that decrease bacterial susceptibility to antibiotics are called ________ factors.
A. metabolic B. col C. virulence D. resistance
Explain why X-ray diffraction was important in the study of DNA structure and describe the procedure used in X-ray diffraction
What will be an ideal response?
What is the birth rate in a population in which 35 babies are born per every 1000 people in the population each year?
A) 0.35 B) 35% C) 3.5% D) 0.35%
You have isolated a bacterium that grows in a medium containing only inorganic nutrients. Ammonia is oxidized to a nitrate ion. This bacterium is
A) gram-negative. B) using anaerobic respiration. C) a chemoautotroph. D) a photoautotroph. E) a photoheterotroph.