Seventy percent alcohol is effective against
A. enveloped viruses.
B. non-enveloped viruses.
C. bacterial endospores.
D. protozoan cysts.
E. prions.
Answer: A
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The rate of aerobic respiration in plants depends upon the
a. availability of oxygen. b. lifestyle stage. c. temperature. d. all of these
Amanda was successfully treated for the P. aeruginosa infection, but on a subsequent visit to
the hospital, she was infected again. With this second infection, her immune system would ____________________.
a. respond more quickly to the antigen b. immediately start to produce memory cells c. have a reduced response due to recognizing the antigen d. not be able to fight off the infection
Which of the following represents the target of infection for viroids?
a. plants, animals, and humans b. plants and animals c. bacteria, plants, animals, and humans d. plants
Where in the cell does the Calvin cycle occur?
a. Mitochondria b. Ribosomes c. Nucleus d. Chloroplasts