Which of the following might be missed if viable counts are done on food and/or water specimens?

A. Aerobic bacteria
B. Viable but nonculturable cells
C. Pathogenic bacteria
D. Endospores


Answer: B

Biology & Microbiology

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The simplest and the most common monosaccharide is a six-carbon sugar called:  

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Which of the following has a coefficient of relatedness of 0.25?

A) a father to his daughter B) a mother to her son C) an uncle to his nephew D) a brother to his brother E) a sister to her brother

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The eukaryotic transcription initiation complex is 

_____  transcription of virtually all genes transcribed by RNA pol II requiring the same suite of general factors. _____  responsible for highly regulated transcription levels. _____ only associated with RNA polymerase I. _____  interactive with activators through DNA looping. _____  a basal factor associated with RNA pol II after positioning RNA pol II at the start site.

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Which of the following is not a required characteristic of antigens from microbial pathogens that might be used in vaccine production?

A. It must be essential for the survival of the pathogen in the host. B. It must be excreted or found on the surface of the pathogen. C. It must be found in all strains of the pathogen. D. All of the choices are correct.

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