The activated sludge process
A. is used during secondary treatment of sewage.
B. is meant to convert inorganic to organic matter.
C. is meant to increase the BOD.
D. removes large objects from the sewage.
E. is meant to convert inorganic to organic matter AND is meant to increase the BOD.
A. is used during secondary treatment of sewage.
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Bacteria stain as gram-positive or gram-negative because of differences in the cell
A) wall. B) cytoplasm. C) nucleus. D) chromosome.
Packaging of prokaryotic chromosomes
A) doesn't involve histone or histone-like proteins. B) involves large regions of positively supercoiled DNA but lacks histones or histone-like proteins. C) is very simple and lacks higher-level structure, such as looped domains. D) involves structural RNA molecules that contribute to the formation of looped domains. is essentially the same as eukaryotic DNA packaging.
The normal human chromosome number is _______.
a) 2n = 23 b) n = 23 c) 2n = 46 d) n = 46
Infection of the ________ would be the hardest to treat with antimicrobial drugs
A) heart B) kidneys C) liver D) brain E) colon