Quality control should be performed on which two organisms to determine the validity of the oxidase reagent?
a. S. aureus and S. epidermidis
b. S. epidermidis and Enterococcus
c. Aerococcus and Enterococcus
d. Micrococcus and Aerococcus
D
The only two organisms that are oxidase positive and oxidase negative, respectively, are Micro-coccus and Aerococcus. All others are oxidase negative.
You might also like to view...
Which of the following factors affects global
climate change?
a. shifts in Earth’s orbit b. changes in the tilt of Earth’s axis c. changes in solar output d. human caused increases in greenhouse gases e. all of these factors affect global climate change
In comparison to women, men make muchmore:a
testosterone. b. growth hormone. c. myostatin. d. estrogen. e. all of these except estrogen.
In photosynthesis, gaseous molecular oxygen (O2) is released. This comes from a compound that goes into photosynthesis. Which compound is it?
a) glucose (C6H12O6) b) carbon dioxide (CO2) c) ATP d) gaseous molecular oxygen (O2) e) water (H2O)
In which of the following does an inhibitor bind to a site other than the active site of the enzyme?
a. competitive inhibition b. noncompetitive inhibition c. redox reactions d. none of these are correct