Organisms that neither help nor harm the host or are beneficial, creating a barrier against pathogens, are called _______________ _______________ _______________.

Fill in the blank(s) with the appropriate word(s).


resident normal flora

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In the orientation of solid fuels, which will typically have slower flame spread under identical conditions?

A) Vertical B) Horizontal C) Both A and B D) None of the above

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Concentration of particles is referred to as:

A. thickness B. perfusion C. osmolality D. water deficit

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The termĀ skillĀ is used to denote:

A. A task that has a specific purpose or goal to achieve B. The degree of competence or capacity to perform a task C. The activity in nervous system that underlies movement D. A and B

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A substance that can intensify or deepen the response of a specimen to a stain is called a(n) ________.

A. mordant B. colony C. agar D. culture E. keratin

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