Ozone consists of ________ oxygen atom(s).
A) three
B) zero
C) one
D) two
E) four
Ans: A) three
Biology & Microbiology
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One type of small regulatory RNA that inhibits translation of mRNAs is called ____ (miRNA)
Fill in the blank with the appropriate word.
Biology & Microbiology
After the secondary stain has been added, gram-positive organisms are stained ________ and gram-negative organisms are stained ________.
A. pink; pink B. purple; pink C. purple; purple D. purple; colorless
Biology & Microbiology
Shallow water above the continental shelves is the:
1.Benthic region
2.Coastal zone
3.Neritic zone
4.Open ocean
5.Pelagic zone
Which of the following could be used to sterilize plastic pipettes in plastic wrappers?
A. autoclaves B. incineration C. ionizing radiation D. ultraviolet radiation
Biology & Microbiology