An opportunistic pathogen causes disease ONLY in the presence of normal host resistance

Indicate whether the statement is true or false.


Answer: FALSE

Biology & Microbiology

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Microbial ecology is the study of

A) microbial processes in the rhizosphere that benefit plant growth. B) the diversity and activities of microorganisms. C) the grouping and classifying of microorganisms. D) microorganisms in their natural environments.

Biology & Microbiology

Since mice embryos with loss-of-function Hox mutations result in homeotic alterations, then introduction of such a mutation might cause __________

A) ribs on normally rib-less vertebrae B) pointed rather than rounded ears C) a change in fur coloration along the dorsal midline D) behavioral alterations causing limb shaking E) paralysis of hindlimbs but not forelimbs

Biology & Microbiology

Which of the following is NOT true regarding the nature of science and scientific inquiry?

A. Scientists seek to identify and avoid sources of bias whenever possible. B. Science follows a logical process to address questions. C. It is important to share the results of your scientific inquiries. D. There is no room for imagination in science.

Biology & Microbiology

Which protein are microtubules assembled from?

a. tubulins b. actins c. myosins d. keratins

Biology & Microbiology