Actinomyces israelii
A. can be transmitted by respiratory droplets.
B. can cause pneumonia with symptoms similar to tuberculosis.
C. are filamentous rods that grow in clusters called sulfur granules in infected tissue.
D. lives in the soil.
E. causes most cases in the immunocompromised.
Answer: C. are filamentous rods that grow in clusters called sulfur granules in infected tissue.
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The terms Krebs cycle, tricarboxylic acid cycle, and citric acid cycle all refer to the same process.
Answer the following statement true (T) or false (F)
Which is correct for the description "alkaline slant, acid butt, no H2S"?
a. Salmonella spp. b. E. coli c. Proteus spp. d. Pseudomonas spp.
The jellylike substance that fills the chamber behind the lens is
a. the vitreous humor. b. the aqueous humor. c. blood. d. a solution rich in glucose. e. the enzymes for proper function.
Genes in the NK4 class are involved in heart development in both vertebrates and fruit flies. They are also involved in the development of pumping organs in organisms that lack a heart, such as roundworms and cnidarians
Available information suggests that in early animals, the ancestral NK4 gene and its associated regulatory network ________. A) evolved convergently in vertebrates and arthropods B) were important in the development of the heart and blood vessels C) evolved by duplication of the Hox cluster D) governed the development of some fluid-filled pumping structure E) did not have any function