Fragments of (LPS/NAM/NAG) released from Gram-negative bacteria into the bloodstream produce fever and shock
What will be an ideal response?
LPS
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There is always concern that new strains of influenza virus will emerge; lack of resistance to a particularly virulent virus could result in a pandemic. Which statement best describes one mechanism by which a "new virus" could be created?
A. Viral RNA polymerase creates additional RNA genomic segments. B. One of the eight RNA segments of the influenza genome is eliminated from viral genome. C. Viral RNA polymerase creates an inaccurate cDNA copy from which RNA transcripts are synthesized. D. The RNA genome is inaccurately replicated by the viral RNA polymerase. E. The viral genome is inaccurately translated by host ribosomes.
An individual basidium ultimately produces:
A. eight diploid spores B. four genetically identical haploid spores C. four haploid spores, each genetically different D. eight identical haploid spores E. eight haploid spores, of which there are two each of four different genetic types
What would happen if the trachea did not have cartilaginous rings?
A) Incoming air would not undergo filtration. B) Incoming air would not be humidified. C) Sense of smell would be lost, and food would taste funny. D) The trachea would collapse.
Figure 36.6
Use the figure above to answer the following question.
?
The anatomical structure identified with the letter "H" in the accompanying figure is the ____.
A. myocardium B. pulmonary veins C. inferior vena cava D. right atrium E. heart apex