Most species of Gram-positive bacteria are ____
a. photoautotrophic
b. photoheterotrophic
c. chemoautotrophic
d. chemoheterotrophic
e. photochemoautotrophic
ANSWER: d
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A definitive identification of a pathogen typically includes:
a. a description of the colonial and micro-scopic morphology. b. a description of the colonial and bio-chemical reactions. c. a confirmatory set of reactions that corre-lates to the preliminary characteristics. d. a confirmatory set of reactions and anti-biogram for all organisms.
What is the name of the mesoderm-derived, calcium-stiffened structures that comprise the internal skeleton of echinoderms?
a. ampullae b. ossicles c. madreporites d. radial canals
In cases of acute appendicitis, if the appendix is intact when it is removed only a single dose of antibiotic given at the time of surgery is necessary
Indicate whether the statement is true or false
Opportunistic fungi
A) always have two physiological and structural forms. B) are normal microbiota for many individuals. C) have special proteins for colonizing the body. D) are tracked by epidemiologists. E) have the same geographical distribution as pathogenic fungi.