Finding ________ in water is a good indication that it has been fecally contaminated.
Fill in the blank(s) with the appropriate word(s).
coliforms
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The cytoplasmic membrane could best be described as
A) an impermeable barrier. B) a passive conduit for intracellular transport. C) a highly selective permeability barrier. D) a rigid structure that protects the cell.
The polymerase used in PCR reactions is derived from the thermophile organism Thermus aquaticus
Indicate whether the statement is true or false
Which of the following is a eukaryotic characteristic?
A) cell fission B) membrane-bounded nucleus C) little processing of RNA D) 70S ribosomes E) none of the above
Which of the following diseases are bacterial in origin?
a. cholera, streptococcus, and HIV-AIDS b. cholera, streptococcus, and tuberculosis d. cholera, streptococcus, and malaria