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strict obligate aerobe

a microbe that can only survive in the presence of free oxygen

strict obligate anaerobe

a microbe that can only survive in the absence of free oxygen

strict obligate anaerobe

air is toxic, organism will not survive if exposed to air, require the absence of the oxygen found in the air in order to survive

strict obligate aerobe

require the oxygen found in the air in order to survive, if oxygen is removed or depleted thru use, the aerobic organism will not survive, virtually all higher organisms belong to this group


oxygen is not toxic but can only be tolerated in low concentrations


a microorganism that requires very little free oxygen

facultative aerobe

prefers the absence of oxygen

facultative aerobe

a microorganism that prefers an environment devoid of oxygen but has adapted so that it can live and grow in the presence of oxygen

facultative anaerobe

prefers the presence of oxygen

facultative anaerobe

an organism that prefers an oxygen environment but is capable of living and growing in its absence


what is the percentage of water as it relates to the weight of bacteria

minimum, maximum and optimum

what are the temperature ranges for the three different bacteria


0 - 25 celsius


25 - 40 celsius


40 - 70 celsius


equal concentration of solute inside and outside of the cell


lesser concentration of solute outside the cell


greater concentration of solute inside the cell


mutualism, commensalism and parasitism


ABFSE; a relationship in which organisms of two different species live in close association to the mutual benefit of each


ABFSE; the symbiotic relationship of two organism of different species in which one gains some benefit such as protection or nourishment and the other is not harmed or benefited


ABFSE; an interactive relationship between two organisms in which one is harmed and the other benefits


synergism, antagonism


ABFSE; the harmonious action of two or more microorganisms producing an effect that neither could produce alone


ABFSE; mutual opposition or contrary action. The inhibition of one microorganism by another


biological or organic catalyts

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