What would you expect to happen to the pH of an unbuffered solution if a few drops of acid were added?
A) The pH would increase.
B) The pH would remain the same.
C) The pH would decrease.
D) The pH would become neutral.
E) The pH would increase and then rapidly decrease.
C) The pH would decrease.
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Any tissues received in the clinical microbiology laboratory should be minced and homogenized in a biosafety cabinet. If lung tissue is sent and processed, then which organism should be ex-amined using direct fluorescent antibody (DFA) testing?
a. Listeria b. Legionella c. Leishmania d. Leptospira
Which of the following is/are used to categorize fungal diseases?
A. The type of sexual spores formed by the infecting fungus B. The route by which the disease becomes established in the host C. The environmental source of the fungi D. The type of asexual spores formed by the infecting fungus
What is the first step in investigating any ecological question?
a) make observations b) make a computer model c) conduct and experiment d) come to a conclusion
All of the individuals in a cross between an RR plant and an rr plant will be:
a. dominant. b. recessive. c. homozygote. d. heterozygote. e. red.