What is the advantage of enhanced biological phosphorus removal (EBPR) over chemical precipitation?
A) Chemical precipitation produces sludge containing arsenic.
B) EBPR removes significantly more phosphorus than chemical precipitation.
C) Significantly less sludge is produced by EBPR compared to chemical precipitation.
D) EBPR is a more stable process.
Answer: C
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Which of the technologies listed below is a valuable method for mass-producing drugs and other useful proteins?
A. recombinant DNA technology B. transgenic technology C. biotechnology D. gene targeting
The manufacture of fertilizer is an energy-intensive process that uses ________ gas to reduce N2 to NH4+ at high temperature and pressure.
Fill in the blank(s) with the appropriate word(s).
Tumors cannot grow beyond a certain size or spread without a blood supply
a. true b. false
How many molecules of ATP can be generated from one molecule of NADH?
a. Three b. Two c. One d. Four