Q. An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

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Q. The straightforward method of binary fission explains how bacteria

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Q. The equation used to obtain bacterial population by binary fission is

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Q. Bacteria and fungi multiply best

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Q. An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is

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Q. Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?

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Q. Organisms, using organic compounds as electron donors are called

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Q. The reproduction by budding occur in

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Q. Starvation proteins are produced by a culture during which of the following segments of the growth curve?

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Q. The cell reproduction in bacteria may occur by

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Q. During exponential growth, the growth rate is

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Q. A spore differs from an actively replicating bacterium in that the spore

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Q. Which of the following has more tolerance for acidic pH (lower pH)?

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Q. The ability of Vibrio fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of

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Q. Antimicrobial constituents for the microbial growth in foods are

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Q. The average size of cells during the exponential phase of growth is

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Q. A culture broth tube was very turbid at the surface but clear throughout the rest of the tube indicating that the

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Q. A synergistic effect is observed when

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Q. Generation time is

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Q. The term facultative anaerobe refers to an organism that

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