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When conditions are unfavorable, some bacteria:
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- The inhibition of bacterial growth and reproduction without necessarily destroying the organisms is the result of a disinfectant a sterilant a bactericide an antisepticBacteria reproduce byWhich of the following types of bacteria can contaminate water sources in hospitals and also cause pulmonary diseases or infections? Question 9 options: Mycobacterium spp. Hydrobacterium spp. Escherichia coli Shigella spp.
- It is the period wherein the bacteria is sensitive to radiation and antimicrobial agents. Question options: Exponential Phase Decline Phase Lag Phase Stationary PhaseWhich of the following is most susceptible to antimicrobial agents? mycobacteria bacterial endospores protozoan cysts vegetative bacteriaBesides dehydrated foods, how might the amount of water available to microbes be decreased? Group of answer choices Treatment by non-ionizing radiation. Treatment at high pressures for extended periods of time. Storage at temperatures between -2 and 4 °C. Pasteurization Addition of solutes such as salt or sugar.
- Jams, jellies, preserves, honey, and other foodstuffs with a high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. Why is this?The following will prevent the growth of bacteria: Keeping food at room temperatureKeeping food hotKeeping food coveredKeeping food coldA microorganism found living under conditions of high ________ is a barophile. carbon dioxide levels hydrostatic pressure salt concentrations oxygen concentrations pH values
- The rapid identification methods used in this activity are designed to identify __________. Gram-negative, oxidase-negative bacteria Gram-negative bacteria aerobic bacteria Gram-positive bacteria all bacteriaExplain why gram negative bacteria in general are more toxic than gram positive bacteria.why Small Fraction of Bacteria Are Pathogens