The reservoir for O. anthropi is:
a. environment only, not human flora.
b. animal oral and respiratory flora.
c. environment, cold climates.
d. environment and human flora.
D
Most of the organisms discussed in this chapter exist in the environment, although O. anthropi may occasionally inhabit the human gastrointestinal tract. The specific environmental niche of O. anthropi is unknown, but this organism is capable of survival in water, including moist areas within the hospital environment.
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A molecule that binds a cell surface receptor is called a
A) peroxisome. B) nucleic acid. C) ligand. D) nuclear pore.
Nucleosomes are organized into large coiled loops held together by:
a. histones. b. centromeres. c. kinetochore proteins. d. scaffolding proteins. e. condensins
A(n) ________ is someone who displays the dominant phenotype but who is heterozygous for a trait and can, therefore, pass the recessive allele to descendants
Fill in the blank(s) with correct word
The usual type of symbiotic relationship between humans and the bacteria normally found in their intestinal tract is that of
A. predator/prey. B. parasitism. C. mutualism. D. communism.