The most likely identification of an anaerobic gram-negative bacilli that will fluoresce brick red or has a brown-to-black-pigment is:
a. nonpigmented Prevotella.
b. Porphyromonas spp.
c. B. fragilis group.
d. Fusobacterium spp.
B
The characteristics listed can be used to describe Porphyromonas spp.
Biology & Microbiology
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A. nitrogen fixer B. autotroph C. heterotroph D. methanogen E. mutualist
Biology & Microbiology
The systemic circuit is complete when ____
a. oxygen-depleted blood collects in veins b. oxygen-rich blood collects in veins c. blood enters the pulmonary veins d. blood enters the aorta e. blood enters the right atrium
Biology & Microbiology
Which tissue type will move the body? a. Muscle b. Nerve c. All of these choices
d. Epithelial e. Connective
Biology & Microbiology
Willow trees and many other plants produce ________, from which aspirin is made
A) nicotine B) acetaminophen C) salicylic acid D) volantin E) acetic acid
Biology & Microbiology