Group A streptococci are considered more virulent if their cytoplasmic membrane contains M protein
Indicate whether the statement is true or false
TRUE
Biology & Microbiology
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. Effective treatment of wastewater/sewage is reflected in a(n)
A. lower BOD. B. higher BOD. C. unchanging BOD. D. increase in sulfur.
Biology & Microbiology
A common source of cholera infection is
A. acid rain. B. unpasteurized milk. C. fecal contaminated material, especially water. D. boiled water. E. acid rain AND boiled water.
Biology & Microbiology
What tissue type makes up the outer layer of
the skin?
a. simple squamous b. simple cuboidal c. stratified columnar d. simple columnar e. stratified squamous
Biology & Microbiology
The proteins of the cell membrane are
a. enzymes. b. channels through the membrane. c. transporters that move substances across the membrane. d. receptors. e. all of these.
Biology & Microbiology