A measure of wastewater treatment is its BOD. This measures the
A) biological organism density.
B) biphosphate oxidizing demand.
C) bacterial optimal density.
D) biochemical oxygen demand.
E) bioparticulate optical density.
D
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Some prokaryotes have a capsule, which is an external layer of polysaccharides that protects the cells from physical
damage.
Indicate whether the statement is true or false.The anterior-posterior orientation of Drosophila embryos is initially controlled by ____
a. maternal effect genes b. gap genes c. pair rule genes d. segment polarity genes e. homeotic genes
How long is the DNA in the homeobox sequence?
A) 68 base pairs B) 362 base pairs C) 180 base pairs D) 4 base pairs
For the hipAB TA module in Escherichia coli,
a. HipB is the toxin. b. HipA is the antitoxin. c. Lon degrades HipB, allowing HipA to inhibit translation and leading to persistence. d. HipA degrades Lon, allowing HipB to inhibit translation and leading to persistence.