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Q17: Treponema pallidum is extremely sensitive to temperature
Q28: Some chrysophytes (or "golden algae")are actually chemoorganotrophs
Q40: Bacteria make up about one-third the weight
Q49: The rumen is an _ habitat that
Q49: To detect antibodies in human serum,the direct
Q62: Why is the secondary immune response stronger
Q69: How does the body respond when it
Q73: Which of the following can function as
Q78: Several strains of _ cause genital warts
Q86: An individual can receive injections of an