An agent used to reduce the number of bacteria on a toilet would most accurately be called a(n)
A) disinfectant.
B) antiseptic.
C) aseptic.
D) fungicide.
E) virucide.
A
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What is the probability of rolling a die twice and getting a 2 and a 6 in no particular order?
a. 1/3 b. 1/4 c. 1/8 d. 1/18 e. 1/36
Groups that contain planktonic species include all the following EXCEPT
a. golden algae. b. apicomplexans. c. dinoflagellates. d. diatoms. e. red algae.
The plural of genus is:
a. species. b. genera. c. genuses. d. family. e. genius.
Pepsin is an enzyme that works in the stomach. Pepsin breaks down proteins and is most efficient in an acidic environment. How will the addition of an antacid into the stomach affect pepsin's efficiency?
A) Pepsin will work better with the addition of the antacid. B) Pepsin will not work as well because the stomach contents will become more basic. C) Pepsin will not work as well because the stomach contents will become more acidic. D) Pepsin will work just as efficiently because the antacid does not change the stomach contents.