The most likely identification of kanamycin-sensitive and anaerobic gram-negative bacilli that fluoresce a chartreuse color is:
a. Fusobacterium spp.
b. nonpigmented Prevotella.
c. B. ureolyticus.
d. Porphyromonas spp.
A
The characteristics listed can be used to describe Fusobacterium spp.
You might also like to view...
The bacteria that appear to maintain balance between the members of the normal microbiota and play a vital role in limiting colonization by pathogens are
A. staphylococci. B. diptheroids. C. Candida spp. D. Malassezia spp.
Sexual reproduction in zygomycetes differs from sexual reproduction in basidiomycetes in one key way. Which of the following is true of zygomycetes, but not true of basidiomycetes?
A. Haploid nuclei fuse in the process of karyogamy to form a diploid nucleus B. Mushrooms are formed of secondary (dikaryotic) mycelium C. Gametangia of opposite mating types undergo plasmogamy D. Meiosis to produce haploid spores is delayed, resulting in a discrete diploid state
A patient has a tumor that causes her to secrete an excess amount of antidiuretic hormone (ADH). You would expect that the excessive level of ADH will ultimately cause ________
A) decreased blood pressure B) increased ventilation rate C) increased blood pressure D) an increase in urine volume
Convergent evolution may occur when __________.
a. ancestral structures are co-opted for new functions b. homologous structures are adapted for different functions c. species have similar ecological roles d. an individual species colonizes a new habitat e. species are widely separated geographically