The "developer" in the Warthin-Starry stain is:
a) formaldehyde
b) hydroquinone
c) pyridine
d) uranyl nitrate
Answer: b) hydroquinone
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In DNA, complementary nitrogen bases are held together by
A. nitrogen bonds. B. hydrogen bonds. C. hydrophobic bonds. D. peptide bonds. E. phosphodiester bonds.
Inanimate objects capable of transferring infectious disease agents are
A. vectors. B. fomites. C. vehicles. D. reservoirs.
The size of sediment particles on sandy beaches will influence the following characteristic of the beach:
a. porosity. b. oxygen content. c. food content. d. rate of water drainage. e. all of the above.
Removing individuals during a competition experiment may have direct and indirect effects on the environment that are not intended or understood by the investigators and that can influence the response of the remaining species
Indicate whether the statement is true or false