Which of the following is capable of resetting the thermostat of the body to cause a fever?
A) complement B) pyrogen C) antigen D) perforin
Answer: B
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Most of the water taken up by a plant is _____
A) used as a solvent B) used as a hydrogen source in photosynthesis C) lost during transpiration D) converted to carbon dioxide E) used to keep cells turgid
A monoclonal antibody reacts against
a. a single antigenic determinant. b. different epitopes on the same antigen. c. different antigens of the same organism. d. a single type of pathogen. e. a single type of macromolecule.
In all multi-celled fungi, reproduction begins with ____
a. fusion of male and female gametes b. budding from diploid fruiting structures c. hyphal fragmentation d. fusion of gametophytes e. fusion of haploid hyphae
The type of viral infection in which a virus enters a host cell, immediately replicates, and causes the host cell to burst is
a rare form of viral infection. a transgenic infection. a lysogenic infection. a lytic infection. a systematic infection