Which of the following Ralstonia spp. most often causes infections in cystic fibrosis patients?
a. Ralstonia gilardii
b. Ralstonia insidiosa
c. R. mannitolilytica
d. R. pickettii
C
Recent studies implicate R. mannitolilytica as the causative agent for the majority of Ralstonia spp. infections in CF patients. It has also been described in a case of recurrent meningitis.
You might also like to view...
Which model of population growth would you employ if reproduction occurs in discrete time periods rather than being continuous?
A) exponential B) reciprocal C) logarithmic D) geometric
A pigment absorbs a photon if the energy of
the photon is a. exactly enough to boost an electron of the pigment to a higher energy level. b. slightly more than the energy of the electron absorbing the photon. c. significantly more than the energy of the electron absorbing the photon. d. exactly twice the energy of the electron absorbing the photon. e. any of these, depending on the type of pigment.
A seed does NOT include
a. endosperm. b. seed coats. c. cotyledons. d. pollen grains. e. embryo.
Meiosis II is similar to mitosis because _____
a. both result in the production of diploid daughter cells b. both result in the production of haploid daughter cells c. DNA replication immediately precedes both meiosis II and mitosis d. homologous chromosomes are separated in meiosis II and mitosis e. sister chromatids are separated in meiosis II and mitosis